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Eastman joined the Celtics ' coaching staff before the 2004 – 05 season .
 person: Eastman; organization: Celtics
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: Eastman, Celtics 
Answer:
 person: Eastman; organization: Celtics