36352
The 3d Aero Squadron was assigned to Clark Field in December 1919 and for the next decade functioned as an observer training unit flying a wide variety of mono and biplanes .
 organization: 3d
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: 3d 
Answer:
 organization: 3d