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He progressed to supporting roles for Metro-Goldwyn-Mayer and his first leading role in 1931 's " Dance , Fools , Dance " was alongside Joan Crawford , who requested him for the part .
 organization: Metro-Goldwyn-Mayer; person: Joan Crawford
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: Metro-Goldwyn-Mayer; person: Joan Crawford