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In July 2011 , Colorado and Utah joined the conference , at which time the league 's name changed to the Pacific-12 Conference .
 organization: Colorado; organization: Utah; organization: Conference
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Colorado, Utah, Conference 
Answer:
 organization: Colorado; organization: Utah; organization: Conference