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: Delta IV | Statement: [Defense Satellite Communications System, launchVehicle, Delta IV]

Target entity: Delta IV
Context triple: [Defense Satellite Communications System, launchVehicle, Delta IV]

• A. Delta IV chosen
  Delta IV is an expendable heavy-lift launch vehicle family developed by Boeing and operated by United Launch Alliance for launching military, government, and commercial payloads into orbit.
• B. Delta III
  Delta III was an American expendable launch vehicle developed in the late 1990s as an upgraded, higher-capacity member of the Delta rocket family, intended primarily for launching communications satellites to geostationary orbit.
• C. Delta IV Heavy
  Delta IV Heavy is a powerful American expendable heavy-lift launch vehicle developed by United Launch Alliance, known for carrying large payloads to orbit and supporting national security and scientific missions.
• D. Delta 4000
  Delta 4000 is an American expendable launch vehicle series derived from the Delta family, used primarily in the early 1990s to place communications and weather satellites into orbit.
• E. Delta II
  Delta II was a highly reliable American expendable launch vehicle developed by McDonnell Douglas and later operated by Boeing and ULA, widely used from the late 1980s to 2018 to launch GPS, scientific, and Earth observation satellites.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.