82838
Prior to the beginning of that season , they signed veteran Drew Bledsoe as starting quarterback .
 person: Drew Bledsoe
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: Drew Bledsoe 
Answer:
 person: Drew Bledsoe