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He led the Labour group on Hampstead borough council from 1945 to 1949 and entered Parliament as member for Heywood and Radcliffe in a by-election in February 1946 .
 Labour, Hampstead
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Labour, Hampstead