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Keys had requested to be a part of Houston 's album and Houston decided she wanted to work with Keys after hearing her perform at one of Clive Davis ' parties .
 person: Keys; person: Houston; person: Houston; person: Keys; person: Clive Davis
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Keys, Houston, Houston, Keys, Clive Davis 
Answer:
 person: Keys; person: Houston; person: Houston; person: Keys; person: Clive Davis