Triple

Target class: armoured cavalry regiment
Context triple: [Household Cavalry Regiment, instanceOf, armoured cavalry regiment]

• A. land warfare service branch
  A land warfare service branch is a military organization primarily responsible for conducting combat and support operations on land using ground forces and associated assets.
• B. light infantry unit
  A light infantry unit is a military formation composed of highly mobile, lightly equipped soldiers optimized for rapid maneuver, reconnaissance, and operations in difficult terrain rather than heavy direct-fire engagements.
• C. front (military)
  The military front is the forward-most line or zone of contact between opposing armed forces where active combat operations are concentrated.
• D. branch of the United States Army
  A branch of the United States Army is a specialized functional category, such as Infantry or Signal Corps, that organizes soldiers, training, and equipment around a distinct mission set and expertise area within the Army.
• E. military organization chosen
  A military organization is a structured group of armed forces personnel and resources, organized under a defined hierarchy and command system, to plan, coordinate, and conduct defense and combat operations in support of a state’s strategic objectives.
• F. None of above.