Triple

Target class: Canberra-class landing helicopter dock
Context triple: [HMAS Adelaide (L01), instanceOf, Canberra-class landing helicopter dock]

• A. Anzac-class frigate
  The Anzac-class frigate is a class of modern, multi-role warships operated by the Royal Australian Navy and Royal New Zealand Navy, designed primarily for anti-submarine and anti-surface warfare, as well as air defense and patrol duties.
• B. Hobart-class destroyer
  The Hobart-class destroyer is a class of advanced air warfare destroyers operated by the Royal Australian Navy, designed for long-range air defense, surface and subsurface warfare, and fleet protection using the Aegis combat system.
• C. Adelaide-class guided missile frigate
  The Adelaide-class guided missile frigate is a class of Royal Australian Navy warships based on the U.S. Oliver Hazard Perry design, equipped with advanced radar, anti-air, anti-surface, and anti-submarine systems for multi-role maritime operations.
• D. Type 26 frigate
  The Type 26 frigate is a modern, multi-mission Royal Navy warship designed primarily for anti-submarine warfare, while also capable of air defense, surface warfare, and humanitarian operations.
• E. Fiji-class light cruiser
  The Fiji-class light cruiser was a group of British Royal Navy warships built just before and during World War II, designed as compact yet heavily armed cruisers optimized for fleet screening, trade protection, and anti-aircraft defense within treaty limitations.
• F. None of above. chosen