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: Marion Grant Hepburn | Statement: [Katharine Hepburn, sibling, Marion Grant Hepburn]

Target entity: Marion Grant Hepburn
Context triple: [Katharine Hepburn, sibling, Marion Grant Hepburn]

• A. Cecilia DeMille Harper
  Cecilia DeMille Harper was the daughter of legendary American film director and producer Cecil B. DeMille.
• B. 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.
• C. Gloria Vanderbilt
  Gloria Vanderbilt was an American artist, socialite, fashion designer, and heiress renowned for her influential designer jeans line and prominent role in 20th-century high society.
• D. Margaret Truman
  Margaret Truman was an American singer, author, and the only child of U.S. President Harry S. Truman, known for her concert career and popular mystery novels.
• E. Katharine Hepburn
  Katharine Hepburn was an iconic American actress renowned for her fiercely independent screen persona, sharp wit, and a record four Academy Awards for Best Actress during Hollywood’s Golden Age.
• 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: Marion Grant Hepburn
Triple: [Katharine Hepburn, sibling, Marion Grant Hepburn]

Marion Grant Hepburn was an American woman best known as one of the siblings of acclaimed actress Katharine Hepburn, belonging to the prominent Hepburn family.

Target entity: Marion Grant Hepburn
Target entity description: Marion Grant Hepburn was an American woman best known as one of the siblings of acclaimed actress Katharine Hepburn, belonging to the prominent Hepburn family.

• A. Cecilia DeMille Harper
  Cecilia DeMille Harper was the daughter of legendary American film director and producer Cecil B. DeMille.
• B. 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.
• C. Gloria Vanderbilt
  Gloria Vanderbilt was an American artist, socialite, fashion designer, and heiress renowned for her influential designer jeans line and prominent role in 20th-century high society.
• D. Margaret Truman
  Margaret Truman was an American singer, author, and the only child of U.S. President Harry S. Truman, known for her concert career and popular mystery novels.
• E. Katharine Hepburn
  Katharine Hepburn was an iconic American actress renowned for her fiercely independent screen persona, sharp wit, and a record four Academy Awards for Best Actress during Hollywood’s Golden Age.
• F. None of above. chosen