195839
He served in the 27th Legislative Assembly of Ontario as a government backbencher in a majority PC government under Premier John Robarts .
 organization: PC; person: John Robarts
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: PC, John Robarts 
Answer:
 organization: PC; person: John Robarts