13706
It is thought that Peter Harrison -LRB- 1716-1775 -RRB- , a Loyalist-leaning Massachusetts architect , built the Lindens in 1754 for Robert Cooper , a wealthy merchant whose nickname was King , as a summer house for his property in Danvers , Mass. , where it remained for nearly 200 years .
 location contains: Massachusetts, Danvers
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: 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} 
 Entity Pairs:  Massachusetts, Danvers 
Answer:
 location contains: Massachusetts, Danvers