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-6 Mercury | Statement: [Tinker Air Force Base, supportsAircraftType, E-6 Mercury]

Target entity: E-6 Mercury
Context triple: [Tinker Air Force Base, supportsAircraftType, E-6 Mercury]

• A. E-6 series spacecraft
  The E-6 series spacecraft were Soviet robotic lunar probes developed in the 1960s to achieve soft landings and surface exploration on the Moon.
• B. 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.
• C. 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.
• D. Boeing E-6 Mercury chosen
  The Boeing E-6 Mercury is a U.S. Navy airborne command post and communications relay aircraft used to maintain secure links with nuclear forces, derived from the Boeing 707 airframe.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.