Triple

Target class: United States Army scout unit
Context triple: [Navajo scouts, instanceOf, United States Army scout unit]

• A. United States Army Indian Scouts unit chosen
  A United States Army Indian Scouts unit was a military formation composed primarily of Native American soldiers employed by the U.S. Army for their exceptional tracking, reconnaissance, and frontier warfare skills during the Indian Wars and beyond.
• B. U.S. Army Ranger unit
  A U.S. Army Ranger unit is an elite, highly trained light infantry force specializing in rapid deployment, direct action raids, special reconnaissance, and other high-risk missions in support of U.S. military objectives.
• C. scout battalion
  A scout battalion is a military unit specialized in reconnaissance, surveillance, and intelligence-gathering operations to provide commanders with timely information about enemy forces and terrain.
• D. U.S. Army cavalry squadron
  A U.S. Army cavalry squadron is a battalion-sized, highly mobile combat unit organized to conduct reconnaissance, security, and offensive operations in support of larger maneuver formations.
• E. Operational Detachment Alpha
  Operational Detachment Alpha is a small, highly trained U.S. Army Special Forces team designed to conduct specialized missions such as unconventional warfare, foreign internal defense, and special reconnaissance, often operating independently in austere environments.
• F. None of above.