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While studying the trivium at Cambridge , he took the first steps toward his eventual conversion to Catholicism in 1937 , founded on his reading of G. K. Chesterton .
 organization: Cambridge; person: G. K. Chesterton
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: Cambridge, G. K. Chesterton 
Answer:
 organization: Cambridge; person: G. K. Chesterton