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The 2010 – 13 Big 12 Conference realignment refers to the Big 12 Conference ( Big 12 ) dealing with several proposed and actual conference expansion and reduction plans among various NCAA conferences and institutions .
 Big 12 Conference, Big 12 Conference, Big 12, NCAA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Big 12 Conference, Big 12 Conference, Big 12, NCAA