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By 2013 , the auction house was also auctioning modern and contemporary art including works by artists such as Pablo Picasso , Andy Warhol , Joan Mitchell , and Edward Ruscha .
 person: Pablo Picasso; person: Andy Warhol; person: Joan Mitchell; person: Edward Ruscha
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: Pablo Picasso, Andy Warhol, Joan Mitchell, Edward Ruscha 
Answer:
 person: Pablo Picasso; person: Andy Warhol; person: Joan Mitchell; person: Edward Ruscha