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 of Waltham, Duchess of Brittany | Statement: [Edward III of England, child, Mary of Waltham, Duchess of Brittany]

Target entity: Mary of Waltham, Duchess of Brittany
Context triple: [Edward III of England, child, Mary of Waltham, Duchess of Brittany]

• A. Beatrice of England
  Beatrice of England was a 13th-century English princess and daughter of King Henry III who became Duchess of Brittany through her marriage to John II, Duke of Brittany.
• B. Queen Philippa of Hainault
  Queen Philippa of Hainault was a 14th-century Queen of England, wife of King Edward III, noted for her political influence, patronage of learning, and reputation for kindness and mercy.
• C. Eleanor of England, Countess of Pembroke
  Eleanor of England, Countess of Pembroke, was a 13th-century English princess and noblewoman who, through her influential marriage to William Marshal the Younger, became a prominent figure in the politics and aristocracy of the Angevin realm.
• D. Mary of Scotland, Countess of Boulogne
  Mary of Scotland, Countess of Boulogne, was a 12th-century Scottish princess and noblewoman who became Countess of Boulogne through marriage and was the daughter of King Malcolm III and Saint Margaret of Scotland.
• E. Eleanor of England, Countess of Bar
  Eleanor of England, Countess of Bar, was a 13th-century English princess, daughter of King Edward I, who became Countess of Bar through her marriage to Henry III, Count of Bar.
• 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 of Waltham, Duchess of Brittany
Triple: [Edward III of England, child, Mary of Waltham, Duchess of Brittany]

Mary of Waltham, Duchess of Brittany, was a 14th-century English princess, daughter of King Edward III, who became duchess through her marriage to John IV, Duke of Brittany.

Target entity: Mary of Waltham, Duchess of Brittany
Target entity description: Mary of Waltham, Duchess of Brittany, was a 14th-century English princess, daughter of King Edward III, who became duchess through her marriage to John IV, Duke of Brittany.

• A. Beatrice of England
  Beatrice of England was a 13th-century English princess and daughter of King Henry III who became Duchess of Brittany through her marriage to John II, Duke of Brittany.
• B. Queen Philippa of Hainault
  Queen Philippa of Hainault was a 14th-century Queen of England, wife of King Edward III, noted for her political influence, patronage of learning, and reputation for kindness and mercy.
• C. Eleanor of England, Countess of Pembroke
  Eleanor of England, Countess of Pembroke, was a 13th-century English princess and noblewoman who, through her influential marriage to William Marshal the Younger, became a prominent figure in the politics and aristocracy of the Angevin realm.
• D. Mary of Scotland, Countess of Boulogne
  Mary of Scotland, Countess of Boulogne, was a 12th-century Scottish princess and noblewoman who became Countess of Boulogne through marriage and was the daughter of King Malcolm III and Saint Margaret of Scotland.
• E. Eleanor of England, Countess of Bar
  Eleanor of England, Countess of Bar, was a 13th-century English princess, daughter of King Edward I, who became Countess of Bar through her marriage to Henry III, Count of Bar.
• F. None of above. chosen