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-3B Sentry | Statement: [AN/APY-2 radar, introducedOnVariant, E-3B Sentry]

Target entity: E-3B Sentry
Context triple: [AN/APY-2 radar, introducedOnVariant, E-3B Sentry]

• A. Boeing E-3 Sentry chosen
  The Boeing E-3 Sentry is an airborne early warning and control (AEW&C) aircraft based on the Boeing 707 airframe, distinguished by its large rotating radar dome used for long-range surveillance and battle management.
• B. EC-121 Warning Star
  The EC-121 Warning Star was a U.S. Air Force airborne early warning and control aircraft developed from the Lockheed Constellation airliner and widely used during the Cold War and Vietnam War for radar surveillance and command-and-control missions.
• C. E-3F Sentry AWACS
  The E-3F Sentry AWACS is an airborne early warning and control aircraft equipped with a distinctive rotating radar dome, used for long-range airspace surveillance, command, and battle management.
• D. Boeing E-3D Sentry AEW1
  The Boeing E-3D Sentry AEW1 is a British-operated variant of the E-3 airborne early warning and control aircraft, equipped with a rotating radar dome to provide long-range air surveillance and command-and-control capabilities.
• E. Lockheed EC-130H Compass Call
  The Lockheed EC-130H Compass Call is a heavily modified C-130 Hercules aircraft used by the U.S. Air Force for tactical airborne electronic warfare and communications jamming operations.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: introducedOnVariant
Context triple: [AN/APY-2 radar, introducedOnVariant, E-3B Sentry]

• A. introducedOnVehicleVariant chosen
  Indicates that a feature, component, or change was first introduced or became available on a specific vehicle variant.
• B. introducedFrom
  Indicates that one entity was brought, originated, or caused to appear in a context, system, or environment by another entity.
• C. exportVariantOf
  Indicates that one entity is an exported version or externally released form derived from another, original entity.
• D. hasVariant
  Indicates that one entity exists as an alternative form, version, or variation of another entity.
• E. introducedVia
  Indicates that one entity was brought to the attention, presence, or awareness of another entity through a specific intermediary, method, or channel.
• F. None of above.