188736
Plot summary Two U.S. Army pilot s , in the early days of military aviation , in the mid-1930s , in an era of open cockpit s and biplanes , are always trying to do each other , in a friendly rivalry .
 organization: U.S. Army pilot
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: U.S. Army pilot 
Answer:
 organization: U.S. Army pilot