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He was the Conservative Party of Canada 's candidate in Desnethé — Missinippi — Churchill River for the March 17 , 2008 federal by-election in which he defeated Liberal candidate Joan Beatty .
 organization: Conservative Party of Canada; organization: Liberal; person: Joan Beatty
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: Conservative Party of Canada, Liberal, Joan Beatty 
Answer:
 organization: Conservative Party of Canada; organization: Liberal; person: Joan Beatty