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At the end of July 2011 , Bozhikov spent a week on trial with Belgian side Genk , playing in a pre-season match against Bayer 04 Leverkusen , but he did not sign for Genk .
 person: Bozhikov; location: Belgian; organization: Genk; organization: Bayer 04 Leverkusen; organization: Genk
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: Bozhikov; location: Belgian; organization: Genk; organization: Bayer 04 Leverkusen; organization: Genk