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He recorded and toured again with Braxton in 1978-80 and with Sam Rivers in 1979-80 .
 person: Braxton; person: Sam Rivers
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: Braxton, Sam Rivers 
Answer:
 person: Braxton; person: Sam Rivers