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 Seven | Statement: [Leroy Gordon Cooper Jr., memberOf, Mercury Seven]

Target entity: Mercury Seven
Context triple: [Leroy Gordon Cooper Jr., memberOf, Mercury Seven]

• A. Mercury Seven chosen
  Mercury Seven were the first group of American astronauts, chosen in 1959 to pioneer NASA’s manned spaceflight efforts during the early Space Race.
• B. Men into Space
  Men into Space is a late-1950s American science fiction television series that realistically dramatizes early space exploration and astronaut missions.
• C. First Men
  The First Men are an ancient human people in the world of *A Song of Ice and Fire* who were the original human inhabitants of Westeros, known for their early conflicts and later pact with the Children of the Forest.
• D. NASA Astronaut Group 6
  NASA Astronaut Group 6 was a 1967 class of NASA astronauts that included several future Apollo lunar mission crew members.
• E. NASA Astronaut Group 1
  NASA Astronaut Group 1 was the original group of seven U.S. astronauts selected in 1959, known as the Mercury Seven, who pioneered America’s first human spaceflights.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.