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After his stint with Ellington , Alvis played with Benny Carter , Joe Sullivan , and Louis Armstrong ( in whose ensemble he replaced Pops Foster ) .
 person: Ellington; person: Alvis; person: Benny Carter; person: Joe Sullivan; person: Louis Armstrong; person: Pops Foster
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: Ellington, Alvis, Benny Carter, Joe Sullivan, Louis Armstrong, Pops Foster 
Answer:
 person: Ellington; person: Alvis; person: Benny Carter; person: Joe Sullivan; person: Louis Armstrong; person: Pops Foster