Triple

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Phrase: E-6B Mercury | Statement: [TACAMO, aircraftUsed, E-6B Mercury]

Target entity: E-6B Mercury
Context triple: [TACAMO, aircraftUsed, E-6B Mercury]

• A. Lockheed Sirius
  The Lockheed Sirius is a late-1920s American single-engine, high-wing monoplane designed for long-distance and record-setting flights, famously flown by Charles Lindbergh.
• B. Lockheed L-1649 Starliner
  The Lockheed L-1649 Starliner is a late-1950s long-range, piston-engined airliner and the final, most advanced variant of Lockheed’s Constellation series, designed for transatlantic and intercontinental routes.
• C. Douglas D-558-2 Skyrocket
  The Douglas D-558-2 Skyrocket was a U.S. Navy and NACA experimental research aircraft that became one of the first aircraft to exceed Mach 2 in level flight during the early 1950s.
• D. Mercury spacecraft Sigma 7
  Mercury spacecraft Sigma 7 was the crewed capsule flown by astronaut Wally Schirra on NASA’s Mercury-Atlas 8 mission, a 1962 Earth-orbital flight focused on engineering tests and spacecraft performance.
• E. Mercury spacecraft
  The Mercury spacecraft was NASA’s first crewed space vehicle, designed in the early 1960s to carry a single astronaut into Earth orbit and safely return them, paving the way for later Gemini and Apollo missions.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: E-6B Mercury
Target entity description: The E-6B Mercury is a U.S. Navy airborne command post and communications relay aircraft designed to maintain secure control of nuclear forces, including submarines, during strategic operations.

• A. Lockheed Sirius
  The Lockheed Sirius is a late-1920s American single-engine, high-wing monoplane designed for long-distance and record-setting flights, famously flown by Charles Lindbergh.
• B. Lockheed L-1649 Starliner
  The Lockheed L-1649 Starliner is a late-1950s long-range, piston-engined airliner and the final, most advanced variant of Lockheed’s Constellation series, designed for transatlantic and intercontinental routes.
• C. Douglas D-558-2 Skyrocket
  The Douglas D-558-2 Skyrocket was a U.S. Navy and NACA experimental research aircraft that became one of the first aircraft to exceed Mach 2 in level flight during the early 1950s.
• D. Mercury spacecraft Sigma 7
  Mercury spacecraft Sigma 7 was the crewed capsule flown by astronaut Wally Schirra on NASA’s Mercury-Atlas 8 mission, a 1962 Earth-orbital flight focused on engineering tests and spacecraft performance.
• E. Mercury spacecraft
  The Mercury spacecraft was NASA’s first crewed space vehicle, designed in the early 1960s to carry a single astronaut into Earth orbit and safely return them, paving the way for later Gemini and Apollo missions.
• F. None of above. chosen