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: Mercury-Atlas 8 spacecraft | Statement: [Sigma 7, callsignOf, Mercury-Atlas 8 spacecraft]

Target entity: Mercury-Atlas 8 spacecraft
Context triple: [Sigma 7, callsignOf, Mercury-Atlas 8 spacecraft]

• A. Mercury-Atlas 8 chosen
  Mercury-Atlas 8 was a 1962 NASA crewed spaceflight in the Mercury program that carried astronaut Wally Schirra on a six-orbit mission to test spacecraft systems and astronaut endurance.
• B. Mercury-Atlas 5
  Mercury-Atlas 5 was a 1961 NASA test flight of the Mercury spacecraft carrying the chimpanzee Enos, serving as a crucial precursor to the first American crewed orbital mission.
• C. 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.
• D. Mercury-Atlas 9
  Mercury-Atlas 9 was NASA’s final crewed Mercury mission, during which astronaut Gordon Cooper completed the longest and last solo orbital flight of the program in 1963.
• E. Mercury spacecraft Sigma 7
  Mercury spacecraft Sigma 7 was the crewed capsule flown by astronaut Wally Schirra on NASA’s Mercury-Atlas 8 mission, a 1962 Earth-orbital flight focused on engineering tests and spacecraft performance.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.