Triple

Target class: Implacable-class aircraft carrier
Context triple: [HMS Implacable, instanceOf, Implacable-class aircraft carrier]

• A. Shōkaku-class aircraft carrier
  The Shōkaku-class aircraft carrier was a pair of fast, large, and heavily armed Japanese fleet carriers of World War II, designed for high-capacity air operations and serving as key striking units of the Imperial Japanese Navy.
• B. Unryū-class aircraft carrier
  The Unryū-class aircraft carrier was a World War II-era Japanese Imperial Navy fleet carrier design intended as a simplified, faster-to-build successor to the Hiryū, optimized for rapid construction and air group operations in the later stages of the Pacific War.
• C. aircraft carrier class
  An aircraft carrier class is a conceptual category representing a group of aircraft carriers sharing a common design, capabilities, and intended operational role within a navy.
• D. missile carrier
  A missile carrier is a vehicle or platform designed to transport, launch, and sometimes guide missiles toward designated targets.
• E. Indiana-class battleship
  The Indiana-class battleship was a group of three pre-dreadnought battleships built for the United States Navy in the 1890s, designed primarily for coastal defense but also capable of blue-water operations, and notable for their role in the Spanish–American War.
• F. None of above. chosen