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: Margaret de Fiennes | Statement: [Roger Mortimer, 1st Earl of March, mother, Margaret de Fiennes]

Target entity: Margaret de Fiennes
Context triple: [Roger Mortimer, 1st Earl of March, mother, Margaret de Fiennes]

• A. Mary de Bohun
  Mary de Bohun was an English noblewoman and first wife of King Henry IV of England, and the mother of King Henry V.
• B. Marie de Coucy
  Marie de Coucy was a 13th-century French noblewoman who became Queen Consort of Scotland through her marriage to King Alexander II.
• C. Beatrice, Countess of Montfort
  Beatrice, Countess of Montfort was a 13th-century French noblewoman who held the title of Countess of Montfort-l'Amaury and was a member of the influential Dreux family.
• D. Countess of Montfort
  The Countess of Montfort refers to Mary of Waltham, an English-born noblewoman of the 14th century who became Duchess of Brittany through marriage.
• E. Margaret Stewart, Duchess of Touraine
  Margaret Stewart, Duchess of Touraine, was a late 14th- to early 15th-century Scottish princess, daughter of King Robert III of Scotland, who became Duchess of Touraine through her marriage into the French nobility during the Hundred Years’ War.
• 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: Margaret de Fiennes
Triple: [Roger Mortimer, 1st Earl of March, mother, Margaret de Fiennes]

Margaret de Fiennes was an English noblewoman of French descent from the prominent de Fiennes family, best known as the wife of Edmund Mortimer and ancestress of the powerful Mortimer dynasty.

Target entity: Margaret de Fiennes
Target entity description: Margaret de Fiennes was an English noblewoman of French descent from the prominent de Fiennes family, best known as the wife of Edmund Mortimer and ancestress of the powerful Mortimer dynasty.

• A. Mary de Bohun
  Mary de Bohun was an English noblewoman and first wife of King Henry IV of England, and the mother of King Henry V.
• B. Marie de Coucy
  Marie de Coucy was a 13th-century French noblewoman who became Queen Consort of Scotland through her marriage to King Alexander II.
• C. Beatrice, Countess of Montfort
  Beatrice, Countess of Montfort was a 13th-century French noblewoman who held the title of Countess of Montfort-l'Amaury and was a member of the influential Dreux family.
• D. Countess of Montfort
  The Countess of Montfort refers to Mary of Waltham, an English-born noblewoman of the 14th century who became Duchess of Brittany through marriage.
• E. Margaret Stewart, Duchess of Touraine
  Margaret Stewart, Duchess of Touraine, was a late 14th- to early 15th-century Scottish princess, daughter of King Robert III of Scotland, who became Duchess of Touraine through her marriage into the French nobility during the Hundred Years’ War.
• F. None of above. chosen