379960
Simpson worked with producers including billymann to refine the material .
 person: Simpson; person: billymann
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: Simpson, billymann 
Answer:
 person: Simpson; person: billymann