81698
In 2000 , the band recruited Queen guitarist Brian May to add some guitar flourish to a cover of Pink Floyd 's " Have a Cigar " , a song which Foo Fighters previously recorded as a b-side .
 organization: Queen; person: Brian May; organization: Pink Floyd; organization: Foo Fighters
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: Queen, Brian May, Pink Floyd, Foo Fighters 
Answer:
 organization: Queen; person: Brian May; organization: Pink Floyd; organization: Foo Fighters