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He initially supported Brian Pallister in the first round of the PC Party 's 1998 leadership election , though he later endorsed Joe Clark on the second ballot before Pallister officially withdrew .
 person: Brian Pallister; person: Joe Clark; person: Pallister
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: Brian Pallister, Joe Clark, Pallister 
Answer:
 person: Brian Pallister; person: Joe Clark; person: Pallister