90910
His son , J. B. Bickerstaff , is the current head coach for the Cleveland Cavaliers .
 person: J. B. Bickerstaff; organization: Cleveland Cavaliers
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: J. B. Bickerstaff, Cleveland Cavaliers 
Answer:
 person: J. B. Bickerstaff; organization: Cleveland Cavaliers