41565
McDonnell Douglas elected to develop a new aircraft based on the YC-15 .
 organization: McDonnell Douglas
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: McDonnell Douglas 
Answer:
 organization: McDonnell Douglas