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: Gracie Hall Roosevelt | Statement: [Eleanor Roosevelt, sibling, Gracie Hall Roosevelt]

Target entity: Gracie Hall Roosevelt
Context triple: [Eleanor Roosevelt, sibling, Gracie Hall Roosevelt]

• A. Sara Ann Delano Roosevelt
  Sara Ann Delano Roosevelt was an American socialite and matriarch of the Roosevelt family, best known as the influential and often formidable mother of President Franklin D. Roosevelt.
• B. Elliott Roosevelt
  Elliott Roosevelt was an American author, businessman, and U.S. Army Air Forces officer, best known as a son of President Franklin D. Roosevelt and First Lady Eleanor Roosevelt.
• C. Anna Roosevelt Halsted
  Anna Roosevelt Halsted was the eldest daughter of Franklin and Eleanor Roosevelt, known as a writer, newspaper editor, and political activist who played a prominent public role alongside her famous parents.
• D. Rose Fitzgerald Kennedy
  Rose Fitzgerald Kennedy was an American socialite, philanthropist, and matriarch of the Kennedy political family, mother to President John F. Kennedy and several other prominent U.S. politicians.
• E. Lou Henry Hoover
  Lou Henry Hoover was an American First Lady, geologist, and humanitarian known for her advocacy of women's education and her active public role during Herbert Hoover's presidency.
• 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: Gracie Hall Roosevelt
Triple: [Eleanor Roosevelt, sibling, Gracie Hall Roosevelt]

Gracie Hall Roosevelt was an American engineer and public official, and the younger brother of First Lady Eleanor Roosevelt.

Target entity: Gracie Hall Roosevelt
Target entity description: Gracie Hall Roosevelt was an American engineer and public official, and the younger brother of First Lady Eleanor Roosevelt.

• A. Sara Ann Delano Roosevelt
  Sara Ann Delano Roosevelt was an American socialite and matriarch of the Roosevelt family, best known as the influential and often formidable mother of President Franklin D. Roosevelt.
• B. Elliott Roosevelt
  Elliott Roosevelt was an American author, businessman, and U.S. Army Air Forces officer, best known as a son of President Franklin D. Roosevelt and First Lady Eleanor Roosevelt.
• C. Anna Roosevelt Halsted
  Anna Roosevelt Halsted was the eldest daughter of Franklin and Eleanor Roosevelt, known as a writer, newspaper editor, and political activist who played a prominent public role alongside her famous parents.
• D. Rose Fitzgerald Kennedy
  Rose Fitzgerald Kennedy was an American socialite, philanthropist, and matriarch of the Kennedy political family, mother to President John F. Kennedy and several other prominent U.S. politicians.
• E. Lou Henry Hoover
  Lou Henry Hoover was an American First Lady, geologist, and humanitarian known for her advocacy of women's education and her active public role during Herbert Hoover's presidency.
• F. None of above. chosen