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Prior to June 2015 , Valve had a no-refunds policy , but allowed them in certain circumstances , such as if third-party content had failed to work or improperly reports on certain features .
 organization: Valve
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Valve