12683
The participation of Bailey and Fredericks had been known before Thursday .
 person: Bailey; person: Fredericks
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, else, organization, person 
Text: {0} 
 Entities: Bailey, Fredericks 
Answer:
 person: Bailey; person: Fredericks