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: URM-2 upper stage | Statement: [Angara rocket family, usesStage, URM-2 upper stage]

Target entity: URM-2 upper stage
Context triple: [Angara rocket family, usesStage, URM-2 upper stage]

• A. Inertial Upper Stage
  The Inertial Upper Stage was a two-stage, solid-fueled rocket used primarily with the Space Shuttle and Titan launch vehicles to boost satellites from low Earth orbit to higher orbits such as geostationary transfer orbit.
• B. Centaur upper stage
  The Centaur upper stage is a high-energy rocket stage developed by the United States that pioneered the use of liquid hydrogen and liquid oxygen propellants to boost payloads from low Earth orbit to higher orbits and interplanetary trajectories.
• C. Atlas LV-3C Centaur
  Atlas LV-3C Centaur was an early American launch vehicle configuration that first successfully demonstrated the Centaur high-energy upper stage for NASA missions in the 1960s.
• D. AJ-60A solid rocket booster
  The AJ-60A solid rocket booster is a large strap-on booster used primarily on United Launch Alliance’s Atlas V rocket to provide additional thrust during liftoff.
• E. A3 rocket
  The A3 rocket was an early experimental German ballistic missile developed in the 1930s as a precursor to the more advanced V-2 rocket.
• 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: URM-2 upper stage
Triple: [Angara rocket family, usesStage, URM-2 upper stage]

The URM-2 upper stage is a liquid-fueled second stage module developed for Russia’s Angara launch vehicles to provide orbital insertion and mission flexibility.

Target entity: URM-2 upper stage
Target entity description: The URM-2 upper stage is a liquid-fueled second stage module developed for Russia’s Angara launch vehicles to provide orbital insertion and mission flexibility.

• A. Inertial Upper Stage
  The Inertial Upper Stage was a two-stage, solid-fueled rocket used primarily with the Space Shuttle and Titan launch vehicles to boost satellites from low Earth orbit to higher orbits such as geostationary transfer orbit.
• B. Centaur upper stage
  The Centaur upper stage is a high-energy rocket stage developed by the United States that pioneered the use of liquid hydrogen and liquid oxygen propellants to boost payloads from low Earth orbit to higher orbits and interplanetary trajectories.
• C. Atlas LV-3C Centaur
  Atlas LV-3C Centaur was an early American launch vehicle configuration that first successfully demonstrated the Centaur high-energy upper stage for NASA missions in the 1960s.
• D. AJ-60A solid rocket booster
  The AJ-60A solid rocket booster is a large strap-on booster used primarily on United Launch Alliance’s Atlas V rocket to provide additional thrust during liftoff.
• E. A3 rocket
  The A3 rocket was an early experimental German ballistic missile developed in the 1930s as a precursor to the more advanced V-2 rocket.
• F. None of above. chosen