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: Viking program | Statement: [Titan IIIE-Centaur, notableMission, Viking program]

Target entity: Viking program
Context triple: [Titan IIIE-Centaur, notableMission, Viking program]

• A. Voyager program
  The Voyager program is a NASA mission that launched the Voyager 1 and 2 spacecraft in 1977 to explore the outer planets and interstellar space, becoming one of humanity’s most significant and long-lived space exploration efforts.
• B. Viking 1
  Viking 1 was a NASA spacecraft that became the first successful lander on Mars, conducting detailed imaging and scientific experiments on the Martian surface starting in 1976.
• C. Vanguard program
  The Vanguard program was an early U.S. Navy–run satellite project during the Cold War that aimed to launch some of the first American satellites into Earth orbit as part of the International Geophysical Year.
• D. Constellation program
  The Constellation program was a canceled NASA human spaceflight initiative intended to develop new rockets and spacecraft for returning astronauts to the Moon and eventually traveling to Mars.
• E. Artemis program
  The Artemis program is NASA’s ongoing initiative to return humans to the Moon, establish a sustainable lunar presence, and prepare for future crewed missions to Mars.
• 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: Viking program
Triple: [Titan IIIE-Centaur, notableMission, Viking program]

The Viking program was a NASA mission in the 1970s that sent twin spacecraft to orbit and land on Mars, conducting the first successful surface operations and life-detection experiments on the planet.

Target entity: Viking program
Target entity description: The Viking program was a NASA mission in the 1970s that sent twin spacecraft to orbit and land on Mars, conducting the first successful surface operations and life-detection experiments on the planet.

• A. Voyager program
  The Voyager program is a NASA mission that launched the Voyager 1 and 2 spacecraft in 1977 to explore the outer planets and interstellar space, becoming one of humanity’s most significant and long-lived space exploration efforts.
• B. Viking 1 chosen
  Viking 1 was a NASA spacecraft that became the first successful lander on Mars, conducting detailed imaging and scientific experiments on the Martian surface starting in 1976.
• C. Vanguard program
  The Vanguard program was an early U.S. Navy–run satellite project during the Cold War that aimed to launch some of the first American satellites into Earth orbit as part of the International Geophysical Year.
• D. Constellation program
  The Constellation program was a canceled NASA human spaceflight initiative intended to develop new rockets and spacecraft for returning astronauts to the Moon and eventually traveling to Mars.
• E. Artemis program
  The Artemis program is NASA’s ongoing initiative to return humans to the Moon, establish a sustainable lunar presence, and prepare for future crewed missions to Mars.
• F. None of above.