9384
These songs were written during the peak years of Chess Records , from 1950 to 1965 , and were performed by Muddy Waters , Howlin ' Wolf , Little Walter , and Bo Diddley ; they influenced a generation of musicians worldwide .
 organization: Chess Records; person: Muddy Waters; person: Howlin ' Wolf; person: Little Walter; person: Bo Diddley
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: Chess Records, Muddy Waters, Howlin ' Wolf, Little Walter, Bo Diddley 
Answer:
 organization: Chess Records; person: Muddy Waters; person: Howlin ' Wolf; person: Little Walter; person: Bo Diddley