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American Physicians Service Group Inc. said it purchased about 42 % of Prime Medical Services Inc. for about $ 5 million from Texas American Energy Corp .
 organization: American Physicians Service Group Inc.; percent: about 42 %; organization: Prime Medical Services Inc.; money: about $ 5 million; organization: Texas American Energy Corp
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: date, organization, person, geographical social political, national religious political, facility, cardinal, location, work of art, law, event, product, ordinal, percent, time, quantity, money, language 
Text: {0} 
Answer:
 organization: American Physicians Service Group Inc.; percent: about 42 %; organization: Prime Medical Services Inc.; money: about $ 5 million; organization: Texas American Energy Corp