10913
 After completing an internship and residency at Beth Israel Hospital and Massachusetts General Hospital in Boston , and a post-doctoral fellowship at Brandeis University , he joined the Harvard Medical School faculty as an Instructor in Dermatology and becamer Professor in 1974 . 
 location contains: Boston, Massachusetts General Hospital
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Boston, Massachusetts General Hospital 
Answer:
 location contains: Boston, Massachusetts General Hospital