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: E-6 series spacecraft | Statement: [Luna 9, designation, E-6 series spacecraft]

Target entity: E-6 series spacecraft
Context triple: [Luna 9, designation, E-6 series spacecraft]

• A. Orion spacecraft
  The Orion spacecraft is NASA’s next-generation crewed space vehicle designed to carry astronauts beyond low Earth orbit on deep-space missions, including journeys to the Moon and eventually Mars.
• B. Cygnus spacecraft
  The Cygnus spacecraft is an uncrewed commercial cargo vehicle developed by Northrop Grumman to deliver supplies and scientific equipment to the International Space Station.
• C. Gemini spacecraft
  The Gemini spacecraft was NASA’s two-person capsule used in the mid-1960s to develop critical spaceflight techniques such as orbital rendezvous, docking, and extended missions in preparation for the Apollo Moon landings.
• D. Leonov spacecraft
  The Leonov spacecraft is a fictional Soviet-American joint mission vessel featured in the science fiction film "2010: The Year We Make Contact," used to investigate the abandoned Discovery One near Jupiter.
• E. Mercury spacecraft
  The Mercury spacecraft was NASA’s first crewed space vehicle, designed in the early 1960s to carry a single astronaut into Earth orbit and safely return them, paving the way for later Gemini and Apollo missions.
• 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: E-6 series spacecraft
Triple: [Luna 9, designation, E-6 series spacecraft]

The E-6 series spacecraft were Soviet robotic lunar probes developed in the 1960s to achieve soft landings and surface exploration on the Moon.

Target entity: E-6 series spacecraft
Target entity description: The E-6 series spacecraft were Soviet robotic lunar probes developed in the 1960s to achieve soft landings and surface exploration on the Moon.

• A. Orion spacecraft
  The Orion spacecraft is NASA’s next-generation crewed space vehicle designed to carry astronauts beyond low Earth orbit on deep-space missions, including journeys to the Moon and eventually Mars.
• B. Cygnus spacecraft
  The Cygnus spacecraft is an uncrewed commercial cargo vehicle developed by Northrop Grumman to deliver supplies and scientific equipment to the International Space Station.
• C. Gemini spacecraft
  The Gemini spacecraft was NASA’s two-person capsule used in the mid-1960s to develop critical spaceflight techniques such as orbital rendezvous, docking, and extended missions in preparation for the Apollo Moon landings.
• D. Leonov spacecraft
  The Leonov spacecraft is a fictional Soviet-American joint mission vessel featured in the science fiction film "2010: The Year We Make Contact," used to investigate the abandoned Discovery One near Jupiter.
• E. Mercury spacecraft
  The Mercury spacecraft was NASA’s first crewed space vehicle, designed in the early 1960s to carry a single astronaut into Earth orbit and safely return them, paving the way for later Gemini and Apollo missions.
• F. None of above. chosen