USRA standard freight car designs

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

• A. 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.
• B. Union Pacific dome cars
  Union Pacific dome cars were distinctive passenger railcars featuring elevated glass-enclosed viewing domes that offered panoramic scenery on Union Pacific’s long-distance trains.
• C. Union Pacific lounge cars
  Union Pacific lounge cars were specialized passenger railcars designed to provide comfortable seating, social spaces, and premium amenities on Union Pacific’s long-distance trains.
• D. Union Pacific sleeper cars
  Union Pacific sleeper cars are long-distance passenger railcars equipped with private sleeping accommodations that were used on Union Pacific Railroad’s premier intercity trains.
• E. 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.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: USRA standard freight car designs
Target entity description: USRA standard freight car designs were a series of standardized freight car types created during World War I to simplify and unify railroad equipment across U.S. railroads.

• A. 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.
• B. Union Pacific dome cars
  Union Pacific dome cars were distinctive passenger railcars featuring elevated glass-enclosed viewing domes that offered panoramic scenery on Union Pacific’s long-distance trains.
• C. Union Pacific lounge cars
  Union Pacific lounge cars were specialized passenger railcars designed to provide comfortable seating, social spaces, and premium amenities on Union Pacific’s long-distance trains.
• D. Union Pacific sleeper cars
  Union Pacific sleeper cars are long-distance passenger railcars equipped with private sleeping accommodations that were used on Union Pacific Railroad’s premier intercity trains.
• E. 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.
• F. None of above. chosen