83854
Fallen officers Since the establishment of the Mount Vernon Police Department , 4 officers have died in the line of duty .
 organization: Mount Vernon Police
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: Mount Vernon Police 
Answer:
 organization: Mount Vernon Police