110731
With the loss of Colorado ( who had been a member of the Big 12 and its predecessor the Big Eight Conference since 1947 ) to the Pac-10 and Nebraska ( whose association with the Big 12 dates back to the 1907 founding of what was to become the Big Eight ) to the Big Ten , the Big 12 was reduced to ten teams and faced more possible attrition .
 organization: Colorado; organization: Big 12; organization: Big; organization: Conference; organization: Nebraska; organization: Big 12; organization: Big; organization: Big; organization: Big 12
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, Big 12, Big, Conference, Nebraska, Big 12, Big, Big, Big 12 
Answer:
 organization: Colorado; organization: Big 12; organization: Big; organization: Conference; organization: Nebraska; organization: Big 12; organization: Big; organization: Big; organization: Big 12