1452
He worked with Chuck Berry , Muddy Waters , Howlin ' Wolf , Otis Rush , Bo Diddley , Joe Louis Walker , Little Walter , Sonny Boy Williamson , Koko Taylor , Little Milton , Eddie Boyd , Jimmy Witherspoon , Lowell Fulson , Willie Mabon , Memphis Slim , Washboard Sam , Jimmy Rogers , Sam Lay and others .
 person: Chuck Berry; person: Muddy Waters; person: Howlin ' Wolf; person: Otis Rush; person: Bo Diddley; person: Joe Louis Walker; person: Little Walter; person: Sonny Boy Williamson; person: Koko Taylor; person: Little Milton; person: Eddie Boyd; person: Jimmy Witherspoon; person: Lowell Fulson; person: Willie Mabon; person: Memphis Slim; person: Washboard Sam; person: Jimmy Rogers; person: Sam Lay
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Chuck Berry; person: Muddy Waters; person: Howlin ' Wolf; person: Otis Rush; person: Bo Diddley; person: Joe Louis Walker; person: Little Walter; person: Sonny Boy Williamson; person: Koko Taylor; person: Little Milton; person: Eddie Boyd; person: Jimmy Witherspoon; person: Lowell Fulson; person: Willie Mabon; person: Memphis Slim; person: Washboard Sam; person: Jimmy Rogers; person: Sam Lay