41921
They have adjacent desks on a top floor of their Beacon Hill townhouse in Boston , where Ms. Welch 's four children , all under 18 , live , and seem hard pressed to meet the many demands on their time .
 Boston, Beacon Hill; Beacon Hill, Boston
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; word3, word4". 
Option: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 Boston, Beacon Hill; Beacon Hill, Boston