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A Combat aviation brigade ( CAB ) is a multi-functional brigade - sized unit in the United States Army that fields military helicopter s , offering a combination of attack helicopters ( AH-64 Apache ) , reconnaissance helicopters ( OH-58 Kiowa ) , medium-lift helicopters ( UH-60 Black Hawk ) , heavy-lift helicopters ( CH-47 Chinook ) , and MEDEVAC capability .
 organization: Combat; organization: United States Army
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: Combat, United States Army 
Answer:
 organization: Combat; organization: United States Army