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Contributors included Alex Robinson , Frank Cho , Marc Hempel , Brian Ralph , and many others .
 person: Alex Robinson; person: Frank Cho; person: Marc Hempel; person: Brian Ralph
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: Alex Robinson, Frank Cho, Marc Hempel, Brian Ralph 
Answer:
 person: Alex Robinson; person: Frank Cho; person: Marc Hempel; person: Brian Ralph