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Nick Van Exel received a seven-game suspension for bumping referee Ron Garretson during a game on April 9 .
 person: Nick Van Exel; person: Ron Garretson
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Nick Van Exel, Ron Garretson 
Answer:
 person: Nick Van Exel; person: Ron Garretson