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: Vostok-K rocket | Statement: [Vostok 6, launchVehicle, Vostok-K rocket]

Target entity: Vostok-K rocket
Context triple: [Vostok 6, launchVehicle, Vostok-K rocket]

• A. Vostok-K rocket chosen
  The Vostok-K rocket was a Soviet launch vehicle that carried Yuri Gagarin on the first human spaceflight in history.
• B. Vostok-L rocket
  The Vostok-L rocket was an early Soviet launch vehicle used in the late 1950s and early 1960s to test and develop the technology that would later support human spaceflight in the Vostok program.
• C. Vostok-2 rocket
  The Vostok-2 rocket was a Soviet expendable launch vehicle derived from the R-7 family, used primarily in the early 1960s to launch reconnaissance and scientific satellites into low Earth orbit.
• D. Rokot
  Rokot is a Russian light-lift orbital launch vehicle derived from the UR-100N (SS-19) intercontinental ballistic missile and used primarily for launching small satellites into low Earth orbit.
• E. Proton rocket
  The Proton rocket is a heavy-lift Russian expendable launch vehicle widely used to place large payloads, including space station modules and communications satellites, into orbit.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.