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GAO  Report United States  Government Accountability Office  Seclusions and Restraints Selected Cases of Death and Abuse at Public and Private Schools and Treatment Centers May 19 2009 .
 alternate names: GAO, Government Accountability Office
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: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 alternate names: GAO, Government Accountability Office