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The GEA was a major issue during the 2011 provincial elections , with the PC party threatening to cancel it outright if elected , while the Liberals supporting it as a primary plank of their re-election platform .
 PC party, Liberals
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 PC party, Liberals