Triple

Target class: Confederate States Navy unit
Context triple: [Confederate River Defense Fleet, instanceOf, Confederate States Navy unit]

• A. naval unit chosen
  A naval unit is an organized group of maritime military assets—such as ships, submarines, aircraft, and personnel—structured to conduct operations and missions at sea.
• B. Continental Navy ship
  A Continental Navy ship is a naval vessel commissioned by the Continental Congress during the American Revolutionary War to conduct maritime warfare, protect commerce, and challenge British naval power.
• C. ship of the Continental Navy
  A ship of the Continental Navy is a naval vessel commissioned by the Continental Congress during the American Revolutionary War to conduct maritime warfare, protect commerce, and challenge British naval power.
• D. United States Navy construction force
  The United States Navy construction force, commonly known as the Seabees, is a military engineering organization responsible for building and maintaining naval bases, airfields, and other critical infrastructure in support of naval and joint operations worldwide.
• E. United States Coast Guard unit
  A United States Coast Guard unit is an organized group within the Coast Guard, such as a cutter, station, air station, or specialized team, that performs specific missions related to maritime safety, security, and environmental protection.
• F. None of above.