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During this period he was attracted to radical politics , participating in the 1930 Carnarvon shearers ' strike and joining the Communist Party of Australia in 1937 .
 Carnarvon, Communist Party of Australia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Carnarvon, Communist Party of Australia