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 Mortimer | Statement: [Roger Mortimer, 1st Earl of March, child, Margaret Mortimer]

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

• A. Katherine Mortimer
  Katherine Mortimer was a 14th-century English noblewoman, daughter of the powerful Marcher lord Roger Mortimer, 1st Earl of March, and a member of the influential Mortimer family during the reign of Edward III.
• B. Marjorie, Countess of Carrick
  Marjorie, Countess of Carrick, was a 13th-century Scottish noblewoman best known as the mother of King Robert the Bruce and a key figure in the lineage of the Scottish royal house.
• C. Joan Beaufort, Queen of Scots
  Joan Beaufort, Queen of Scots, was an English noblewoman who became queen consort through her marriage to King James I of Scotland and played a significant political role as his wife and later as regent for their son.
• D. Margaret de Clare
  Margaret de Clare was an English noblewoman of the late 13th and early 14th centuries, notable as a member of the powerful de Clare family and through her politically significant marriages into the English aristocracy.
• E. Elizabeth de Clare
  Elizabeth de Clare was a 14th-century English noblewoman and wealthy heiress whose endowment helped found and shape Clare College at the University of Cambridge.
• 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 Mortimer
Triple: [Roger Mortimer, 1st Earl of March, child, Margaret Mortimer]

Margaret Mortimer was a medieval English noblewoman of the powerful Mortimer family, daughter of Roger Mortimer, 1st Earl of March, and a figure in the aristocratic networks surrounding the reign of Edward II and Edward III.

Target entity: Margaret Mortimer
Target entity description: Margaret Mortimer was a medieval English noblewoman of the powerful Mortimer family, daughter of Roger Mortimer, 1st Earl of March, and a figure in the aristocratic networks surrounding the reign of Edward II and Edward III.

• A. Katherine Mortimer
  Katherine Mortimer was a 14th-century English noblewoman, daughter of the powerful Marcher lord Roger Mortimer, 1st Earl of March, and a member of the influential Mortimer family during the reign of Edward III.
• B. Marjorie, Countess of Carrick
  Marjorie, Countess of Carrick, was a 13th-century Scottish noblewoman best known as the mother of King Robert the Bruce and a key figure in the lineage of the Scottish royal house.
• C. Joan Beaufort, Queen of Scots
  Joan Beaufort, Queen of Scots, was an English noblewoman who became queen consort through her marriage to King James I of Scotland and played a significant political role as his wife and later as regent for their son.
• D. Margaret de Clare
  Margaret de Clare was an English noblewoman of the late 13th and early 14th centuries, notable as a member of the powerful de Clare family and through her politically significant marriages into the English aristocracy.
• E. Elizabeth de Clare
  Elizabeth de Clare was a 14th-century English noblewoman and wealthy heiress whose endowment helped found and shape Clare College at the University of Cambridge.
• F. None of above. chosen