331614
He played at the tackle position for the University of Michigan from 1921 to 1923 , leading the Wolverines to consecutive undefeated seasons in 1922 and 1923 and a national championship in 1923 .
 organization: University of Michigan; organization: Wolverines
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: University of Michigan, Wolverines 
Answer:
 organization: University of Michigan; organization: Wolverines