15385
Operational history Initial delivery to the Air Service was in October 1918 , with the aircraft designated GMB for Glenn Martin Bomber .
 organization: Service; organization: Glenn Martin
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: Service, Glenn Martin 
Answer:
 organization: Service; organization: Glenn Martin