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Music critic Robert Christgau called metal " an expressive mode [ that ] it sometimes seems will be with us for as long as ordinary white boys fear girls , pity themselves , and are permitted to rage against a world they 'll never beat " .
 person: Robert Christgau
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Robert Christgau 
Answer:
 person: Robert Christgau