147359
He took office on April 1 , following the retirement of his predecessor , Gary Ridley .
 person: Gary Ridley
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: Gary Ridley 
Answer:
 person: Gary Ridley