Martin P5M Marlin flying boat

Target entity: Martin P5M Marlin flying boat
Context triple: [Glenn L. Martin Company, product, Martin P5M Marlin flying boat]

• A. Martin PBM Mariner flying boat
  The Martin PBM Mariner was an American twin-engine patrol flying boat used extensively by the U.S. Navy during World War II for maritime patrol, anti-submarine warfare, and search-and-rescue missions.
• B. Lockheed PV-2 Harpoon
  The Lockheed PV-2 Harpoon was a World War II-era American maritime patrol and anti-submarine bomber used primarily by the U.S. Navy.
• C. Curtiss H-16 flying boat
  The Curtiss H-16 was a large American World War I-era patrol flying boat used primarily by the U.S. Navy and British forces for maritime reconnaissance and anti-submarine warfare.
• D. Grumman HU-16 Albatross
  The Grumman HU-16 Albatross is a large, twin-radial-engine amphibious flying boat used primarily for search and rescue missions by the U.S. military and various international operators from the late 1940s through the 1970s.
• E. Grumman Widgeon
  The Grumman Widgeon is a small, twin-engine amphibious aircraft introduced in the early 1940s, used for both military and civilian roles including coastal patrol, transport, and utility operations.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Martin P5M Marlin flying boat
Target entity description: The Martin P5M Marlin was a U.S. Navy long-range maritime patrol and anti-submarine warfare flying boat developed during the Cold War era.

• A. Martin PBM Mariner flying boat
  The Martin PBM Mariner was an American twin-engine patrol flying boat used extensively by the U.S. Navy during World War II for maritime patrol, anti-submarine warfare, and search-and-rescue missions.
• B. Lockheed PV-2 Harpoon
  The Lockheed PV-2 Harpoon was a World War II-era American maritime patrol and anti-submarine bomber used primarily by the U.S. Navy.
• C. Curtiss H-16 flying boat
  The Curtiss H-16 was a large American World War I-era patrol flying boat used primarily by the U.S. Navy and British forces for maritime reconnaissance and anti-submarine warfare.
• D. Grumman HU-16 Albatross
  The Grumman HU-16 Albatross is a large, twin-radial-engine amphibious flying boat used primarily for search and rescue missions by the U.S. military and various international operators from the late 1940s through the 1970s.
• E. Grumman Widgeon
  The Grumman Widgeon is a small, twin-engine amphibious aircraft introduced in the early 1940s, used for both military and civilian roles including coastal patrol, transport, and utility operations.
• F. None of above. chosen