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He voted for John Silkin in the 1980 leadership campaign rather than Michael Foot , the successful candidate .
 person: John Silkin; person: Michael Foot
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:
 person: John Silkin; person: Michael Foot