84099
In 1953 he joined the Friends ' Ambulance Unit .
 organization: Friends ' Ambulance Unit
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: Friends ' Ambulance Unit 
Answer:
 organization: Friends ' Ambulance Unit