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Six candidates stood in the first ballot ; in order of votes they were : Michael Foot , James Callaghan , Roy Jenkins , Tony Benn , Denis Healey and Anthony Crosland .
 Michael Foot, James Callaghan, Roy Jenkins, Tony Benn, Denis Healey, Anthony Crosland
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Michael Foot, James Callaghan, Roy Jenkins, Tony Benn, Denis Healey, Anthony Crosland