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: Blok D upper stage | Statement: [Luna 17, launchVehicle, Blok D upper stage]

Target entity: Blok D upper stage
Context triple: [Luna 17, launchVehicle, Blok D upper stage]

• A. Star 48BV upper stage
  The Star 48BV upper stage is a solid-fueled rocket motor used as a high-energy kick stage to boost spacecraft, such as NASA’s Parker Solar Probe, onto their required trajectories.
• B. L110 liquid core stage
  The L110 liquid core stage is a cryogenic rocket stage used in India’s GSLV Mk III launch vehicle, providing the main liquid propulsion for its ascent.
• C. The Core Stage
  The Core Stage is a major themed performance stage at the Tomorrowland electronic dance music festival, known for hosting prominent DJs and immersive audiovisual shows.
• D. Starship upper stage
  The Starship upper stage is the fully reusable spacecraft component of SpaceX’s Starship launch system, designed to carry crew and cargo to Earth orbit, the Moon, Mars, and beyond.
• E. Delta IV upper stage
  The Delta IV upper stage is the cryogenic second stage of the Delta IV launch vehicle, designed to perform precise orbital insertions using liquid hydrogen and liquid oxygen propellants.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Blok D upper stage
Triple: [Luna 17, launchVehicle, Blok D upper stage]

The Blok D upper stage is a Soviet-designed rocket stage used primarily with Proton launch vehicles to send payloads, including lunar missions, from Earth orbit onto trajectories toward the Moon and other destinations.

Target entity: Blok D upper stage
Target entity description: The Blok D upper stage is a Soviet-designed rocket stage used primarily with Proton launch vehicles to send payloads, including lunar missions, from Earth orbit onto trajectories toward the Moon and other destinations.

• A. Star 48BV upper stage
  The Star 48BV upper stage is a solid-fueled rocket motor used as a high-energy kick stage to boost spacecraft, such as NASA’s Parker Solar Probe, onto their required trajectories.
• B. L110 liquid core stage
  The L110 liquid core stage is a cryogenic rocket stage used in India’s GSLV Mk III launch vehicle, providing the main liquid propulsion for its ascent.
• C. The Core Stage
  The Core Stage is a major themed performance stage at the Tomorrowland electronic dance music festival, known for hosting prominent DJs and immersive audiovisual shows.
• D. Starship upper stage
  The Starship upper stage is the fully reusable spacecraft component of SpaceX’s Starship launch system, designed to carry crew and cargo to Earth orbit, the Moon, Mars, and beyond.
• E. Delta IV upper stage
  The Delta IV upper stage is the cryogenic second stage of the Delta IV launch vehicle, designed to perform precise orbital insertions using liquid hydrogen and liquid oxygen propellants.
• F. None of above. chosen