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Paul Boyce , a spokesman for the Army , would say only that Dr. Aptaker was given an honorable discharge on June 21 after joining the Army in January and being assigned to the officer basic medical course at a training center in Fort Sam Houston in San Antonio .
 location contains: San Antonio, Fort Sam Houston
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: San Antonio, Fort Sam Houston