5056
After serving as a surgical house officer at Presbyterian Hospital in New York City and as a medical officer in the U.S. Navy , he became a resident in anesthesia at the Massachusetts General Hospital in Boston , later becoming a member of the staff of that hospital as well as faculty of Harvard Medical School .
 location contains: Boston, Massachusetts General Hospital
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 location contains: Boston, Massachusetts General Hospital