( 9 ) excludes data for periods prior to our ownership of certain properties , data for properties sold or classified as held for sale and data for which there was a transfer of operations during the periods presented . ( 10 ) operating data for other triple net leased senior living communities leased to third party operators other than five star and wellness centers are presented based upon the operating results provided by our tenants and managers for the 12 months ended september 30 , 2019 and 2018 , or the most recent prior period for which tenant operating results are made available to us . we have not independently verified tenant operating data . excludes data for periods prior to our ownership of certain properties , data for properties sold or classified as held for sale , and data for which there was a transfer of operations during the periods presented . in connection with the restructuring transaction , as discussed below , we determined to redefine our reportable segments to better reflect our current operating environment . as of december 31 , 2019 , we report under the following two segments : office portfolio and shop . our office portfolio segment consists of medical office properties leased to medical providers and other medical related businesses , as well as life science properties leased to biotech laboratories and other similar tenants . our shop segment consists of managed senior living communities that provide short term and long term residential care and other services for residents where we pay fees to the operator to manage the communities for our account . in addition , our shop segment includes triple net leased senior living communities that provide short term and long term residential care and other services for residents and from which we received rents from five star until january 1 , 2020. pursuant to the restructuring transaction , effective january 1 , 2020 , our previously existing master leases and management and pooling agreements with five star were terminated and replaced with the new management agreements for all of our senior living communities operated by five star . we also continue to report “ non-segment ” operations , which consists of triple net leased senior living communities that are leased to operators other than five star from which we receive rents and wellness centers . office portfolio as of december 31 , 2019 , we owned 138 medical office and life science properties located in 27 states and washington , d.c. these properties have a total of 11.9 million square feet . during the year ended december 31 , 2019 , we entered into lease renewals for 1,255,512 square feet and new leases for 261,960 square feet at our medical office and life science properties . the weighted average annual rental rate for leases entered during 2019 was $ 29.64 per square foot , which was 5.1 % higher than the previous weighted average annual rental rate for the same space . weighted ( by annualized rental income ) average lease term for leases entered during 2019 was 10.2 years . commitments for tenant improvements , leasing commission costs and concessions for leases we entered during 2019 totaled $ 37.4 million , or $ 24.66 per square foot on average ( approximately $ 2.69 per square foot per year of the lease term ) . 64 as of december 31 , 2019 , lease expirations at our medical office and life science properties in our office portfolio segment are as follows ( dollars in thousands ) : replace_table_token_4_th ( 1 ) includes 100 % of square feet from a property owned in a joint venture arrangement in which we own a 55 % equity interest . ( 2 ) annualized rental income is based on rents pursuant to existing leases as of december 31 , 2019 , including straight line rent adjustments , estimated recurring expense reimbursements for certain net and modified gross leases and excluding lease value amortization at certain of our medical office and life science properties . annualized rental income also includes 100 % of rental income as reported under gaap from a property owned in a joint venture arrangement in which we own a 55 % equity interest . 65 the following table presents information concerning our medical office and life science property tenants that represent 1 % or more of total medical office and life science property annualized rental income as of december 31 , 2019 ( dollars in thousands ) : replace_table_token_5_th ( 1 ) annualized rental income is based on rents pursuant to existing leases as of december 31 , 2019 , including straight line rent adjustments and estimated recurring expense reimbursements for certain net and modified gross leases and excluding lease value amortization at certain of our medical office and life science properties . ( 2 ) the property leased by this tenant is owned by a joint venture arrangement in which we own a 55 % equity interest . rental income presented includes 100 % of rental income as reported under gaap . senior housing operating portfolio as of december 31 , 2019 , five star operated 244 of our senior living communities in our shop segment , of which 166 communities were leased to five star and 78 communities were managed by five star for our account . pursuant to the restructuring transaction , effective january 1 , 2020 , or the conversion time , our previously existing master leases and management and pooling agreements with five star were terminated and replaced with the new management agreements for all of our senior living communities operated by five star . the conversion is a significant change in our historical arrangements with five star and may result in our realizing significantly different operating results from our senior living communities in the future , including increased variability . story_separator_special_tag depreciation and amortization expense increased primarily due to our acquisitions of nine properties and the purchase of capital improvements at certain of our properties since january 1 , 2018 , partially offset by our disposition of 51 properties , certain depreciable leasing related assets becoming fully depreciated and certain of our acquired resident agreements becoming fully amortized since january 1 , 2018 . general and administrative expense . general and administrative expense consists of fees paid to rmr llc under our business management agreement , legal and accounting fees , fees and expenses of our trustees , equity compensation expense and other costs relating to our status as a publicly traded company . general and administrative expense decreased primarily due to a decrease in business management incentive fees as a result of no incentive fees recognized for 2019 , compared to $ 40,642 of business management incentive fees that we recognized during 2018. in addition , we recognized a decrease in our base business management fees expense as a result of lower trading prices for our common shares during 2019 compared to 2018. acquisition and certain other transaction related costs . acquisition and certain other transaction related costs primarily represents costs incurred in connection with the restructuring transaction . impairment of assets . for further information about our asset impairment charges , see note 3 to our consolidated financial statements included in part iv , item 15 of this annual report on form 10-k. gain on sale of properties . gain on sale of properties is the result of our sale of certain office properties and senior living communities during 2019 and 2018. for further information regarding gain on sale of properties , see note 3 to our consolidated financial statements included in part iv , item 15 of this annual report on form 10-k. dividend income . the decrease in dividend income is the result of our sale of all of the rmr inc. class a common stock that we owned on july 1 , 2019 , partially offset by an increase in dividends per share paid by rmr inc. during 2019 compared to 2018. losses on equity securities , net . losses on equity securities , net , represents the net unrealized gains and losses to adjust our investment in five star and rmr inc. to their fair values . interest and other income . the increase in interest and other income is primarily due to an increase in average investable cash on hand and restricted cash . 72 interest expense . interest expense increased primarily due to an increase in borrowings under our revolving credit facility and changes in libor , resulting in an increase in interest expense with respect to our floating rate debt . in addition , interest expense increased due to our february 2018 issuance of $ 500,000 of 4.75 % senior unsecured notes due 2028. these increases were partially offset by our redemption in may 2019 of our $ 400,000 of 3.25 % senior unsecured notes due 2019 , our prepayment in december 2019 of our $ 350,000 term loan and a lower interest rate on our new $ 250,000 term loan obtained in december 2019. story_separator_special_tag style= `` line-height:120 % ; padding-bottom:16px ; text-align : center ; padding-left:48px ; font-size:10pt ; `` > replace_table_token_21_th ( 1 ) comparable properties consists of properties that we have owned and which have been leased to the same operator continuously since january 1 , 2017 ; excludes properties classified as held for sale , if any . rental income . rental income decreased primarily due to reduced rental income resulting from the sale of five senior living communities leased to private operators and the transfer of certain senior living communities we own from triple net leased senior living communities to managed senior living communities since january 1 , 2017 , partially offset by increased rents resulting from our acquisition of two properties and the purchase improvements at our comparable properties since january 1 , 2017. references to changes in the income and expense categories below relate to the comparison of consolidated results for the year ended december 31 , 2018 , compared to the year ended december 31 , 2017. depreciation and amortization expense . depreciation and amortization expense increased primarily due to our acquisitions of 16 properties and the purchase of capital improvements since january 1 , 2017 , partially offset by our disposition of six senior living communities since january 1 , 2017. general and administrative expense . general and administrative expense decreased primarily due to a decrease in business management incentive fees . we recognized business management incentive fees of $ 40,642 during 2018 as a result of our total shareholder return , as defined , exceeding the returns for the snl u.s. reit healthcare index over the applicable measurement period by 9.6 % , compared to $ 55,740 of business management incentive fees recognized during 2017. in addition , we recognized a decrease in our base business management fees expense as a result of lower trading prices for our common shares during 2018 compared to 2017. acquisition and certain other transaction related costs . acquisition and certain other transaction related costs include legal and diligence costs incurred in connection with our acquisition , disposition and operations transaction activities that we expensed under gaap . impairment of assets . for further information about our asset impairment charges , see note 3 to our consolidated financial statements included in part iv , item 15 of this annual report on form 10-k. gain on sale of properties . gain on sale of properties is the result of our sale of five senior living communities during 2018 and one senior living community in december 2017 and a permanent land eminent domain taking at our wellness center in romeoville , illinois that occurred in 2017. dividend income . dividend income reflects cash dividends received from our investment in rmr inc. unrealized losses on equity securities . unrealized

loss on early extinguishment of debt . we recognized a loss on early extinguishment of debt in connection with our prepayment of mortgage debts and of our $ 350,000 term loan . income tax expense . income tax expense is the result of operating income we earned in certain jurisdictions that is subject to state income taxes . equity in earnings of an investee . equity in earnings of an investee represents our proportionate share of earnings from our investment in aic . year ended december 31 , 2018 compared to year ended december 31 , 2017 : unless otherwise indicated , references in this section to changes or comparisons of results , income or expenses refer to comparisons of the results for the year ended december 31 , 2018 to the year ended december 31 , 2017. our definition of noi and our reconciliation of net income ( loss ) to noi and a description of why we believe noi is an appropriate supplemental measure is included below under the heading “ non-gaap financial measures. ” replace_table_token_15_th nm - not meaningful 73 office portfolio : replace_table_token_16_th ( 1 ) consists of medical office and life science properties that we have owned and which have been in service continuously since january 1 , 2017 , including our life science property owned in a joint venture arrangement in which we own a 55 % equity interest ; excludes properties classified as held for sale , if any . ( 2 ) prior periods exclude space remeasurements made subsequent to those periods . ( 3 ) medical office and life science property occupancy includes ( i ) out of service assets undergoing redevelopment , ( ii ) space which is leased but is not occupied or is being offered for sublease by tenants , and ( iii ) space being fitted out for occupancy .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```loss on early extinguishment of debt . we recognized a loss on early extinguishment of debt in connection with our prepayment of mortgage debts and of our $ 350,000 term loan . income tax expense . income tax expense is the result of operating income we earned in certain jurisdictions that is subject to state income taxes . equity in earnings of an investee . equity in earnings of an investee represents our proportionate share of earnings from our investment in aic . year ended december 31 , 2018 compared to year ended december 31 , 2017 : unless otherwise indicated , references in this section to changes or comparisons of results , income or expenses refer to comparisons of the results for the year ended december 31 , 2018 to the year ended december 31 , 2017. our definition of noi and our reconciliation of net income ( loss ) to noi and a description of why we believe noi is an appropriate supplemental measure is included below under the heading “ non-gaap financial measures. ” replace_table_token_15_th nm - not meaningful 73 office portfolio : replace_table_token_16_th ( 1 ) consists of medical office and life science properties that we have owned and which have been in service continuously since january 1 , 2017 , including our life science property owned in a joint venture arrangement in which we own a 55 % equity interest ; excludes properties classified as held for sale , if any . ( 2 ) prior periods exclude space remeasurements made subsequent to those periods . ( 3 ) medical office and life science property occupancy includes ( i ) out of service assets undergoing redevelopment , ( ii ) space which is leased but is not occupied or is being offered for sublease by tenants , and ( iii ) space being fitted out for occupancy .
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 Suspicious Activity Report : ( 9 ) excludes data for periods prior to our ownership of certain properties , data for properties sold or classified as held for sale and data for which there was a transfer of operations during the periods presented . ( 10 ) operating data for other triple net leased senior living communities leased to third party operators other than five star and wellness centers are presented based upon the operating results provided by our tenants and managers for the 12 months ended september 30 , 2019 and 2018 , or the most recent prior period for which tenant operating results are made available to us . we have not independently verified tenant operating data . excludes data for periods prior to our ownership of certain properties , data for properties sold or classified as held for sale , and data for which there was a transfer of operations during the periods presented . in connection with the restructuring transaction , as discussed below , we determined to redefine our reportable segments to better reflect our current operating environment . as of december 31 , 2019 , we report under the following two segments : office portfolio and shop . our office portfolio segment consists of medical office properties leased to medical providers and other medical related businesses , as well as life science properties leased to biotech laboratories and other similar tenants . our shop segment consists of managed senior living communities that provide short term and long term residential care and other services for residents where we pay fees to the operator to manage the communities for our account . in addition , our shop segment includes triple net leased senior living communities that provide short term and long term residential care and other services for residents and from which we received rents from five star until january 1 , 2020. pursuant to the restructuring transaction , effective january 1 , 2020 , our previously existing master leases and management and pooling agreements with five star were terminated and replaced with the new management agreements for all of our senior living communities operated by five star . we also continue to report “ non-segment ” operations , which consists of triple net leased senior living communities that are leased to operators other than five star from which we receive rents and wellness centers . office portfolio as of december 31 , 2019 , we owned 138 medical office and life science properties located in 27 states and washington , d.c. these properties have a total of 11.9 million square feet . during the year ended december 31 , 2019 , we entered into lease renewals for 1,255,512 square feet and new leases for 261,960 square feet at our medical office and life science properties . the weighted average annual rental rate for leases entered during 2019 was $ 29.64 per square foot , which was 5.1 % higher than the previous weighted average annual rental rate for the same space . weighted ( by annualized rental income ) average lease term for leases entered during 2019 was 10.2 years . commitments for tenant improvements , leasing commission costs and concessions for leases we entered during 2019 totaled $ 37.4 million , or $ 24.66 per square foot on average ( approximately $ 2.69 per square foot per year of the lease term ) . 64 as of december 31 , 2019 , lease expirations at our medical office and life science properties in our office portfolio segment are as follows ( dollars in thousands ) : replace_table_token_4_th ( 1 ) includes 100 % of square feet from a property owned in a joint venture arrangement in which we own a 55 % equity interest . ( 2 ) annualized rental income is based on rents pursuant to existing leases as of december 31 , 2019 , including straight line rent adjustments , estimated recurring expense reimbursements for certain net and modified gross leases and excluding lease value amortization at certain of our medical office and life science properties . annualized rental income also includes 100 % of rental income as reported under gaap from a property owned in a joint venture arrangement in which we own a 55 % equity interest . 65 the following table presents information concerning our medical office and life science property tenants that represent 1 % or more of total medical office and life science property annualized rental income as of december 31 , 2019 ( dollars in thousands ) : replace_table_token_5_th ( 1 ) annualized rental income is based on rents pursuant to existing leases as of december 31 , 2019 , including straight line rent adjustments and estimated recurring expense reimbursements for certain net and modified gross leases and excluding lease value amortization at certain of our medical office and life science properties . ( 2 ) the property leased by this tenant is owned by a joint venture arrangement in which we own a 55 % equity interest . rental income presented includes 100 % of rental income as reported under gaap . senior housing operating portfolio as of december 31 , 2019 , five star operated 244 of our senior living communities in our shop segment , of which 166 communities were leased to five star and 78 communities were managed by five star for our account . pursuant to the restructuring transaction , effective january 1 , 2020 , or the conversion time , our previously existing master leases and management and pooling agreements with five star were terminated and replaced with the new management agreements for all of our senior living communities operated by five star . the conversion is a significant change in our historical arrangements with five star and may result in our realizing significantly different operating results from our senior living communities in the future , including increased variability . story_separator_special_tag depreciation and amortization expense increased primarily due to our acquisitions of nine properties and the purchase of capital improvements at certain of our properties since january 1 , 2018 , partially offset by our disposition of 51 properties , certain depreciable leasing related assets becoming fully depreciated and certain of our acquired resident agreements becoming fully amortized since january 1 , 2018 . general and administrative expense . general and administrative expense consists of fees paid to rmr llc under our business management agreement , legal and accounting fees , fees and expenses of our trustees , equity compensation expense and other costs relating to our status as a publicly traded company . general and administrative expense decreased primarily due to a decrease in business management incentive fees as a result of no incentive fees recognized for 2019 , compared to $ 40,642 of business management incentive fees that we recognized during 2018. in addition , we recognized a decrease in our base business management fees expense as a result of lower trading prices for our common shares during 2019 compared to 2018. acquisition and certain other transaction related costs . acquisition and certain other transaction related costs primarily represents costs incurred in connection with the restructuring transaction . impairment of assets . for further information about our asset impairment charges , see note 3 to our consolidated financial statements included in part iv , item 15 of this annual report on form 10-k. gain on sale of properties . gain on sale of properties is the result of our sale of certain office properties and senior living communities during 2019 and 2018. for further information regarding gain on sale of properties , see note 3 to our consolidated financial statements included in part iv , item 15 of this annual report on form 10-k. dividend income . the decrease in dividend income is the result of our sale of all of the rmr inc. class a common stock that we owned on july 1 , 2019 , partially offset by an increase in dividends per share paid by rmr inc. during 2019 compared to 2018. losses on equity securities , net . losses on equity securities , net , represents the net unrealized gains and losses to adjust our investment in five star and rmr inc. to their fair values . interest and other income . the increase in interest and other income is primarily due to an increase in average investable cash on hand and restricted cash . 72 interest expense . interest expense increased primarily due to an increase in borrowings under our revolving credit facility and changes in libor , resulting in an increase in interest expense with respect to our floating rate debt . in addition , interest expense increased due to our february 2018 issuance of $ 500,000 of 4.75 % senior unsecured notes due 2028. these increases were partially offset by our redemption in may 2019 of our $ 400,000 of 3.25 % senior unsecured notes due 2019 , our prepayment in december 2019 of our $ 350,000 term loan and a lower interest rate on our new $ 250,000 term loan obtained in december 2019. story_separator_special_tag style= `` line-height:120 % ; padding-bottom:16px ; text-align : center ; padding-left:48px ; font-size:10pt ; `` > replace_table_token_21_th ( 1 ) comparable properties consists of properties that we have owned and which have been leased to the same operator continuously since january 1 , 2017 ; excludes properties classified as held for sale , if any . rental income . rental income decreased primarily due to reduced rental income resulting from the sale of five senior living communities leased to private operators and the transfer of certain senior living communities we own from triple net leased senior living communities to managed senior living communities since january 1 , 2017 , partially offset by increased rents resulting from our acquisition of two properties and the purchase improvements at our comparable properties since january 1 , 2017. references to changes in the income and expense categories below relate to the comparison of consolidated results for the year ended december 31 , 2018 , compared to the year ended december 31 , 2017. depreciation and amortization expense . depreciation and amortization expense increased primarily due to our acquisitions of 16 properties and the purchase of capital improvements since january 1 , 2017 , partially offset by our disposition of six senior living communities since january 1 , 2017. general and administrative expense . general and administrative expense decreased primarily due to a decrease in business management incentive fees . we recognized business management incentive fees of $ 40,642 during 2018 as a result of our total shareholder return , as defined , exceeding the returns for the snl u.s. reit healthcare index over the applicable measurement period by 9.6 % , compared to $ 55,740 of business management incentive fees recognized during 2017. in addition , we recognized a decrease in our base business management fees expense as a result of lower trading prices for our common shares during 2018 compared to 2017. acquisition and certain other transaction related costs . acquisition and certain other transaction related costs include legal and diligence costs incurred in connection with our acquisition , disposition and operations transaction activities that we expensed under gaap . impairment of assets . for further information about our asset impairment charges , see note 3 to our consolidated financial statements included in part iv , item 15 of this annual report on form 10-k. gain on sale of properties . gain on sale of properties is the result of our sale of five senior living communities during 2018 and one senior living community in december 2017 and a permanent land eminent domain taking at our wellness center in romeoville , illinois that occurred in 2017. dividend income . dividend income reflects cash dividends received from our investment in rmr inc. unrealized losses on equity securities . unrealized

