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It was not until Tuesday that the first eight Gender Solutions knees were implanted -- in five female patients in Philadelphia by Dr. Robert E. Booth , chief of orthopedic surgery at Pennsylvania Hospital and lead investigator of Zimmer 's design team .
 location contains: Philadelphia, Pennsylvania Hospital
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:  Philadelphia, Pennsylvania Hospital 
Answer:
 location contains: Philadelphia, Pennsylvania Hospital