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He replaced Will Arnett , who had to step down from the role due to contractual conflict with General Motors .
 person: Will Arnett; organization: General Motors
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: Will Arnett, General Motors 
Answer:
 person: Will Arnett; organization: General Motors