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: Boeing E-4B | Statement: [E-4B National Airborne Operations Center fleet, aircraftType, Boeing E-4B]

Target entity: Boeing E-4B
Context triple: [E-4B National Airborne Operations Center fleet, aircraftType, Boeing E-4B]

• A. Boeing E-4 chosen
  The Boeing E-4 is a militarized, heavily modified Boeing 747 airframe used by the U.S. Air Force as a survivable airborne command post for national command authority during nuclear or other major crises.
• B. Boeing E-3 Sentry
  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.
• C. Boeing E-6 Mercury
  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.
• D. Boeing E-767
  The Boeing E-767 is an airborne early warning and control (AEW&C) aircraft based on the Boeing 767 airframe, equipped with advanced radar and surveillance systems for command and control missions.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.