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: S-75 Dvina launcher | Statement: [Fan Song fire-control radar, usedWith, S-75 Dvina launcher]

Target entity: S-75 Dvina launcher
Context triple: [Fan Song fire-control radar, usedWith, S-75 Dvina launcher]

• A. S-75 Dvina (SA-2 Guideline) missile chosen
  The S-75 Dvina (SA-2 Guideline) is a Soviet-era, high-altitude, surface-to-air missile system widely deployed during the Cold War and known for shooting down several Western reconnaissance and combat aircraft.
• B. R-12 Dvina missile
  The R-12 Dvina missile was a Soviet medium-range ballistic missile central to Cold War nuclear strategy and notably deployed during the Cuban Missile Crisis.
• C. S-25 Berkut
  The S-25 Berkut was an early Soviet fixed surface-to-air missile system developed in the 1950s to provide high-altitude air defense for Moscow during the Cold War.
• D. SA-7 Grail man-portable air-defense system
  The SA-7 Grail is a Soviet-designed, shoulder-fired surface-to-air missile system intended to provide infantry units with portable defense against low-flying aircraft and helicopters.
• E. R-5 missile
  The R-5 missile was an early Soviet medium-range ballistic missile that played a key role in the development of the USSR’s strategic rocket forces during the Cold War.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.