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In the " Behind the Music " documentary series , Halford said that hiding his sexuality during Judas Priest 's career caused him a lot of depression and isolation which led to his alcohol and drug abuse .
 person: Halford; organization: Judas Priest
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: Halford, Judas Priest 
Answer:
 person: Halford; organization: Judas Priest