1492
Valve has full authority to remove games from the service for various reasons ; however games that are removed can still be downloaded and played by those that have already purchased these games .
 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