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Tom Waits covered it on two albums , and William S. Burroughs performed it in a 1994 documentary .
 person: Tom Waits; person: William S. Burroughs
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: Tom Waits, William S. Burroughs 
Answer:
 person: Tom Waits; person: William S. Burroughs