200427
He began working with Art Tatum late in the 1940s , taking Tiny Grimes 's spot in his trio alongside bassist Slam Stewart .
 person: Art Tatum; person: Tiny Grimes; person: Slam Stewart
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: Art Tatum, Tiny Grimes, Slam Stewart 
Answer:
 person: Art Tatum; person: Tiny Grimes; person: Slam Stewart