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: Luna E-7 series | Statement: [Luna spacecraft, hasPart, Luna E-7 series]

Target entity: Luna E-7 series
Context triple: [Luna spacecraft, hasPart, Luna E-7 series]

• A. Luna E-3 series
  The Luna E-3 series was a group of early Soviet robotic lunar probes designed in the late 1950s to photograph the Moon’s far side and support the USSR’s initial attempts at lunar exploration.
• B. Luna 8K72
  Luna 8K72 was an early Soviet launch vehicle derived from the R-7 rocket family and used to send some of the first Luna spacecraft toward the Moon.
• C. Atlas LV-3B
  Atlas LV-3B was an early variant of the Atlas launch vehicle used by NASA during the Mercury program to send crewed spacecraft into low Earth orbit.
• D. Luna 6
  Luna 6 was a Soviet unmanned spacecraft from the 1960s Luna program intended to achieve a soft landing on the Moon but which ultimately missed its target due to a mid-course correction failure.
• E. Luna rocket
  The Luna rocket was an early Soviet launch vehicle developed to send unmanned spacecraft to the Moon during the late 1950s and early 1960s.
• 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: Luna E-7 series
Triple: [Luna spacecraft, hasPart, Luna E-7 series]

The Luna E-7 series was a group of Soviet robotic lunar lander spacecraft developed in the early 1960s as part of the Luna program’s efforts to achieve soft landings on the Moon.

Target entity: Luna E-7 series
Target entity description: The Luna E-7 series was a group of Soviet robotic lunar lander spacecraft developed in the early 1960s as part of the Luna program’s efforts to achieve soft landings on the Moon.

• A. Luna E-3 series
  The Luna E-3 series was a group of early Soviet robotic lunar probes designed in the late 1950s to photograph the Moon’s far side and support the USSR’s initial attempts at lunar exploration.
• B. Luna 8K72
  Luna 8K72 was an early Soviet launch vehicle derived from the R-7 rocket family and used to send some of the first Luna spacecraft toward the Moon.
• C. Atlas LV-3B
  Atlas LV-3B was an early variant of the Atlas launch vehicle used by NASA during the Mercury program to send crewed spacecraft into low Earth orbit.
• D. Luna 6
  Luna 6 was a Soviet unmanned spacecraft from the 1960s Luna program intended to achieve a soft landing on the Moon but which ultimately missed its target due to a mid-course correction failure.
• E. Luna rocket
  The Luna rocket was an early Soviet launch vehicle developed to send unmanned spacecraft to the Moon during the late 1950s and early 1960s.
• F. None of above. chosen