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These visually intense performances prompted critics to compare the group to Pink Floyd , whose guitarist , David Gilmour , collaborated with them on the album " Metallic Spheres " in 2010 .
 organization: Pink Floyd; person: David Gilmour
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: Pink Floyd, David Gilmour 
Answer:
 organization: Pink Floyd; person: David Gilmour