Triple

Target entity: P-8A Poseidon
Context triple: [Surveillance and Response Group RAAF units, usesEquipment, P-8A Poseidon]

• A. Boeing P-8 Poseidon chosen
  The Boeing P-8 Poseidon is a military maritime patrol and reconnaissance aircraft used primarily for anti-submarine warfare, anti-surface warfare, and intelligence, surveillance, and reconnaissance missions.
• B. Lockheed P-3 Orion
  The Lockheed P-3 Orion is a four-engine turboprop maritime patrol and anti-submarine warfare aircraft widely used by navies and air forces around the world during the Cold War and beyond.
• C. Northrop Grumman C-2 Greyhound
  The Northrop Grumman C-2 Greyhound is a twin‑engine, high‑wing cargo aircraft used by the U.S. Navy primarily for carrier onboard delivery (COD) missions, transporting personnel, mail, and supplies to and from aircraft carriers.
• D. Grumman E-2C Hawkeye
  The Grumman E-2C Hawkeye is a carrier-capable airborne early warning and control (AEW&C) aircraft featuring a distinctive rotating radar dome, used by several navies and air forces for long-range surveillance and battle management.
• E. Lockheed P-2 Neptune
  The Lockheed P-2 Neptune is a Cold War-era American maritime patrol and anti-submarine warfare aircraft used extensively by the U.S. Navy and allied forces.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.