3245
His election was somewhat of a surprise , given that he was a Conservative Party candidate in a traditional Labour Party heartland .
 organization: Conservative Party; organization: Labour Party
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: Conservative Party; organization: Labour Party