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However , only a month before the fight , Spinks would vacate his IBF title , instead chosing to defend his remaining Lineal Heavyweight championship against Gerry Cooney , temporarily putting the plans of finding the next Undisputed Heavyweight Champion on hold .
 person: Spinks; organization: IBF; person: Gerry Cooney
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: Spinks; organization: IBF; person: Gerry Cooney