Task: Question Answering
Input (English): passage: The Colt AR-15 is a lightweight, 5.56×45mm, magazine-fed, gas-operated semi-automatic rifle. It was designed to be manufactured with extensive use of aluminum alloys and synthetic materials. It is a semi-automatic version of the United States military M16 rifle. Colt's Manufacturing Company currently uses the AR-15 trademark for its line of semi-automatic AR-15 rifles that are marketed to civilian and law-enforcement customers.
 question: is ar-15 used in the military?
Output (English): No