4-8-2 Mountain steam locomotives

Target entity: 4-8-2 Mountain steam locomotives
Context triple: [Romney, Hythe and Dymchurch Railway, hasLocomotiveType, 4-8-2 Mountain steam locomotives]

• A. USRA Heavy Mountain 4-8-2
  The USRA Heavy Mountain 4-8-2 was a standardized World War I–era American steam locomotive design built for heavy passenger and fast freight service, featuring a 4-8-2 wheel arrangement and robust construction for demanding mainline duties.
• B. Heisler locomotive
  A Heisler locomotive is a type of geared steam locomotive, recognizable by its V‑twin cylinder arrangement and used primarily on logging and industrial railroads for hauling heavy loads over steep, rough track.
• C. Atchison Topeka and Santa Fe 4-8-4 locomotive
  The Atchison, Topeka and Santa Fe 4-8-4 locomotive is a powerful steam engine from the famed Santa Fe Railway, known for hauling high-speed passenger and heavy freight trains across the American West in the mid-20th century.
• D. USRA Light Mountain 4-8-2
  The USRA Light Mountain 4-8-2 was a standardized World War I–era American steam locomotive design used by multiple railroads for mixed-traffic service under the United States Railroad Administration.
• E. USRA 2-8-8-2 articulated locomotive
  The USRA 2-8-8-2 articulated locomotive was a heavy freight steam engine design developed under the United States Railroad Administration during World War I, known for its powerful compound articulated configuration used by multiple American railroads.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: 4-8-2 Mountain steam locomotives
Target entity description: 4-8-2 Mountain steam locomotives are steam engines with a wheel arrangement of four leading wheels, eight driving wheels, and two trailing wheels, designed primarily for hauling heavy passenger and freight trains over steep gradients.

• A. USRA Heavy Mountain 4-8-2
  The USRA Heavy Mountain 4-8-2 was a standardized World War I–era American steam locomotive design built for heavy passenger and fast freight service, featuring a 4-8-2 wheel arrangement and robust construction for demanding mainline duties.
• B. Heisler locomotive
  A Heisler locomotive is a type of geared steam locomotive, recognizable by its V‑twin cylinder arrangement and used primarily on logging and industrial railroads for hauling heavy loads over steep, rough track.
• C. Atchison Topeka and Santa Fe 4-8-4 locomotive
  The Atchison, Topeka and Santa Fe 4-8-4 locomotive is a powerful steam engine from the famed Santa Fe Railway, known for hauling high-speed passenger and heavy freight trains across the American West in the mid-20th century.
• D. USRA Light Mountain 4-8-2
  The USRA Light Mountain 4-8-2 was a standardized World War I–era American steam locomotive design used by multiple railroads for mixed-traffic service under the United States Railroad Administration.
• E. USRA 2-8-8-2 articulated locomotive
  The USRA 2-8-8-2 articulated locomotive was a heavy freight steam engine design developed under the United States Railroad Administration during World War I, known for its powerful compound articulated configuration used by multiple American railroads.
• F. None of above. chosen