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As a means of marginalizing the NDP candidate , in the 1963 general election , Gibson ran as a Liberal-Labour candidate and defeated the PC candidate , Leo Bernier , by 840 votes .
 organization: NDP; person: Gibson; organization: Liberal-Labour; organization: PC; person: Leo Bernier
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: NDP; person: Gibson; organization: Liberal-Labour; organization: PC; person: Leo Bernier