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: Mary Elizabeth Ponsonby | Statement: [Charles Grey, 2nd Earl Grey, spouse, Mary Elizabeth Ponsonby]

Target entity: Mary Elizabeth Ponsonby
Context triple: [Charles Grey, 2nd Earl Grey, spouse, Mary Elizabeth Ponsonby]

• A. Hannah Primrose, Countess of Rosebery
  Hannah Primrose, Countess of Rosebery, was a prominent British aristocrat and political hostess of the late 19th century, noted for her influence in Liberal politics and her marriage to future Prime Minister Archibald Primrose, 5th Earl of Rosebery.
• B. Lady Randolph Churchill
  Lady Randolph Churchill was an American-born British socialite and influential political hostess, best known as the mother of Winston Churchill.
• C. Alexandra Mary Hilda Cadogan
  Alexandra Mary Hilda Cadogan was a British aristocrat and socialite who became Duchess of Marlborough through her marriage to John George Vanderbilt Henry Spencer-Churchill.
• D. Elizabeth Asquith
  Elizabeth Asquith was a British writer and socialite, later known as Princess Bibesco, noted for her literary salons and works of fiction and memoir in the early 20th century.
• E. Megan Lloyd George
  Megan Lloyd George was a Welsh Liberal politician and the first female Member of Parliament for a Welsh constituency, known for her advocacy of social reform and Welsh interests.
• 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: Mary Elizabeth Ponsonby
Triple: [Charles Grey, 2nd Earl Grey, spouse, Mary Elizabeth Ponsonby]

Mary Elizabeth Ponsonby was a British aristocrat of the late 18th and early 19th centuries, best known as the wife of Prime Minister Charles Grey, 2nd Earl Grey, and the mother of his numerous children.

Target entity: Mary Elizabeth Ponsonby
Target entity description: Mary Elizabeth Ponsonby was a British aristocrat of the late 18th and early 19th centuries, best known as the wife of Prime Minister Charles Grey, 2nd Earl Grey, and the mother of his numerous children.

• A. Hannah Primrose, Countess of Rosebery
  Hannah Primrose, Countess of Rosebery, was a prominent British aristocrat and political hostess of the late 19th century, noted for her influence in Liberal politics and her marriage to future Prime Minister Archibald Primrose, 5th Earl of Rosebery.
• B. Lady Randolph Churchill
  Lady Randolph Churchill was an American-born British socialite and influential political hostess, best known as the mother of Winston Churchill.
• C. Alexandra Mary Hilda Cadogan
  Alexandra Mary Hilda Cadogan was a British aristocrat and socialite who became Duchess of Marlborough through her marriage to John George Vanderbilt Henry Spencer-Churchill.
• D. Elizabeth Asquith
  Elizabeth Asquith was a British writer and socialite, later known as Princess Bibesco, noted for her literary salons and works of fiction and memoir in the early 20th century.
• E. Megan Lloyd George
  Megan Lloyd George was a Welsh Liberal politician and the first female Member of Parliament for a Welsh constituency, known for her advocacy of social reform and Welsh interests.
• F. None of above. chosen