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: David Brower | Statement: [Sierra Club, notableMember, David Brower]

Target entity: David Brower
Context triple: [Sierra Club, notableMember, David Brower]

• A. Denis Hayes
  Denis Hayes is an American environmental advocate best known for organizing the first Earth Day and helping launch the modern environmental movement.
• B. J. A. C. Redford
  J. A. C. Redford is an American composer and orchestrator known for his work in film, television, and concert music.
• C. John Muir
  John Muir was a pioneering Scottish-American naturalist, writer, and conservationist whose advocacy helped establish the U.S. national parks system and the modern environmental movement.
• D. Howard Zahniser
  Howard Zahniser was an American environmental activist and writer best known for his leading role in the mid-20th-century U.S. wilderness preservation movement.
• E. Conrad J. Sauer
  Conrad J. Sauer was an American pharmacist and entrepreneur best known for founding The C.F. Sauer Company, a major producer of flavoring extracts and spices.
• 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: David Brower
Triple: [Sierra Club, notableMember, David Brower]

David Brower was a prominent American environmentalist and the first executive director of the Sierra Club, known for his influential role in modern conservation and wilderness protection efforts.

Target entity: David Brower
Target entity description: David Brower was a prominent American environmentalist and the first executive director of the Sierra Club, known for his influential role in modern conservation and wilderness protection efforts.

• A. Denis Hayes
  Denis Hayes is an American environmental advocate best known for organizing the first Earth Day and helping launch the modern environmental movement.
• B. J. A. C. Redford
  J. A. C. Redford is an American composer and orchestrator known for his work in film, television, and concert music.
• C. John Muir
  John Muir was a pioneering Scottish-American naturalist, writer, and conservationist whose advocacy helped establish the U.S. national parks system and the modern environmental movement.
• D. Howard Zahniser
  Howard Zahniser was an American environmental activist and writer best known for his leading role in the mid-20th-century U.S. wilderness preservation movement.
• E. Conrad J. Sauer
  Conrad J. Sauer was an American pharmacist and entrepreneur best known for founding The C.F. Sauer Company, a major producer of flavoring extracts and spices.
• F. None of above. chosen