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: Horace Walker | Statement: [Mount Elbrus, firstAscentOfHigherSummitBy, Horace Walker]

Target entity: Horace Walker
Context triple: [Mount Elbrus, firstAscentOfHigherSummitBy, Horace Walker]

• A. Edmund G. Ross
  Edmund G. Ross was a 19th-century U.S. senator from Kansas best known for casting the decisive vote against the impeachment of President Andrew Johnson, an act later celebrated in John F. Kennedy’s "Profiles in Courage."
• B. Albert D. Wheelon
  Albert D. Wheelon was an American physicist and intelligence official known for his pioneering role in developing U.S. satellite reconnaissance programs and later contributions to aerospace and national security policy.
• C. Asa Gilbert Eddy
  Asa Gilbert Eddy was the husband of Mary Baker Eddy, the founder of Christian Science, and is noted for being her first follower and supporter in establishing the movement.
• D. Cecil H. Green
  Cecil H. Green was a British-born American geophysicist, entrepreneur, and philanthropist best known as a co-founder of Texas Instruments and a major benefactor of educational and research institutions.
• E. Vernon L. Walker
  Vernon L. Walker was an American cinematographer and visual effects artist best known for his pioneering work on early Hollywood fantasy and adventure films, including the original 1933 King Kong.
• 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: Horace Walker
Triple: [Mount Elbrus, firstAscentOfHigherSummitBy, Horace Walker]

Horace Walker was a 19th-century British mountaineer known for pioneering ascents in the Alps and the Caucasus.

Target entity: Horace Walker
Target entity description: Horace Walker was a 19th-century British mountaineer known for pioneering ascents in the Alps and the Caucasus.

• A. Edmund G. Ross
  Edmund G. Ross was a 19th-century U.S. senator from Kansas best known for casting the decisive vote against the impeachment of President Andrew Johnson, an act later celebrated in John F. Kennedy’s "Profiles in Courage."
• B. Albert D. Wheelon
  Albert D. Wheelon was an American physicist and intelligence official known for his pioneering role in developing U.S. satellite reconnaissance programs and later contributions to aerospace and national security policy.
• C. Asa Gilbert Eddy
  Asa Gilbert Eddy was the husband of Mary Baker Eddy, the founder of Christian Science, and is noted for being her first follower and supporter in establishing the movement.
• D. Cecil H. Green
  Cecil H. Green was a British-born American geophysicist, entrepreneur, and philanthropist best known as a co-founder of Texas Instruments and a major benefactor of educational and research institutions.
• E. Vernon L. Walker
  Vernon L. Walker was an American cinematographer and visual effects artist best known for his pioneering work on early Hollywood fantasy and adventure films, including the original 1933 King Kong.
• F. None of above. chosen