USRA standard steam locomotive designs

Target entity: USRA standard steam locomotive designs
Context triple: [United States Railroad Administration, introducedDesign, USRA standard steam locomotive designs]

• A. 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.
• B. Southern Pacific Cab Forward locomotive
  The Southern Pacific Cab Forward locomotive is a distinctive class of steam engines with the cab placed at the front for crew safety, famously used by the Southern Pacific Railroad to haul trains through long, smoky mountain tunnels and snow sheds in the American West.
• C. American Association of Railroads wheel arrangement classification system
  The American Association of Railroads wheel arrangement classification system is a standardized notation used in North America to describe the configuration and number of axles and wheels on locomotives and rail vehicles.
• D. Union Pacific inspection cars
  Union Pacific inspection cars are specially outfitted railroad cars used by the Union Pacific Railroad to carry officials and inspectors for track, infrastructure, and operational evaluations along the rail network.
• E. DE30AC locomotive
  The DE30AC locomotive is a diesel-electric passenger locomotive built by EMD for the Long Island Rail Road, designed for push-pull commuter service with head-end power.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: USRA standard steam locomotive designs
Target entity description: USRA standard steam locomotive designs were a series of standardized steam locomotive types created during World War I to simplify and unify locomotive production and maintenance across U.S. railroads.

• A. 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.
• B. Southern Pacific Cab Forward locomotive
  The Southern Pacific Cab Forward locomotive is a distinctive class of steam engines with the cab placed at the front for crew safety, famously used by the Southern Pacific Railroad to haul trains through long, smoky mountain tunnels and snow sheds in the American West.
• C. American Association of Railroads wheel arrangement classification system
  The American Association of Railroads wheel arrangement classification system is a standardized notation used in North America to describe the configuration and number of axles and wheels on locomotives and rail vehicles.
• D. Union Pacific inspection cars
  Union Pacific inspection cars are specially outfitted railroad cars used by the Union Pacific Railroad to carry officials and inspectors for track, infrastructure, and operational evaluations along the rail network.
• E. DE30AC locomotive
  The DE30AC locomotive is a diesel-electric passenger locomotive built by EMD for the Long Island Rail Road, designed for push-pull commuter service with head-end power.
• F. None of above. chosen