167348
First Harrison Gray Otis House The 1st Harrison Gray Otis House built in 1796 is located at 141 Cambridge Street , next to the Old West Church in Boston 's West End .
 person: Harrison Gray Otis; person: Harrison Gray Otis; location: Boston; location: West End
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Harrison Gray Otis, Harrison Gray Otis, Boston, West End 
Answer:
 person: Harrison Gray Otis; person: Harrison Gray Otis; location: Boston; location: West End