155577
Witnesses said Bourque 's fatal crash occurred when he looked back after being notified by his riding mechanic , Harry Holcomb , that another car was approaching .
 person: Bourque
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: Bourque 
Answer:
 person: Bourque