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: Philippa, 5th Countess of Ulster | Statement: [Lionel of Antwerp, 1st Duke of Clarence, child, Philippa, 5th Countess of Ulster]

Target entity: Philippa, 5th Countess of Ulster
Context triple: [Lionel of Antwerp, 1st Duke of Clarence, child, Philippa, 5th Countess of Ulster]

• A. Elizabeth de Burgh, 4th Countess of Ulster
  Elizabeth de Burgh, 4th Countess of Ulster, was a powerful Anglo-Irish noblewoman and heiress of vast estates whose marriage into the English royal family strengthened Plantagenet influence in Ireland.
• B. Margaret de Burgh
  Margaret de Burgh was a 13th–14th century Anglo-Norman noblewoman best known as the mother of Elizabeth de Burgh, Queen of Scots and wife of Robert the Bruce.
• C. Countess of Carrick
  The Countess of Carrick was a medieval Scottish noble title associated with the rulers of the earldom of Carrick in southwestern Scotland, notably held by Marjorie, mother of King Robert the Bruce.
• D. Mary Stewart, Countess of Angus
  Mary Stewart, Countess of Angus, was a medieval Scottish noblewoman and daughter of King Robert III of Scotland who played a role in the dynastic alliances of the Scottish royal family.
• E. Elizabeth Douglas, Countess of Morton
  Elizabeth Douglas, Countess of Morton, was a Scottish noblewoman of the powerful Douglas family who became Countess of Morton through her marriage to James Douglas, 4th Earl of Morton, a prominent 16th-century Scottish regent.
• 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: Philippa, 5th Countess of Ulster
Triple: [Lionel of Antwerp, 1st Duke of Clarence, child, Philippa, 5th Countess of Ulster]

Philippa, 5th Countess of Ulster was a 14th-century English noblewoman and heiress whose marriage to Edmund Mortimer helped transmit a strong claim to the English throne through the Mortimer line.

Target entity: Philippa, 5th Countess of Ulster
Target entity description: Philippa, 5th Countess of Ulster was a 14th-century English noblewoman and heiress whose marriage to Edmund Mortimer helped transmit a strong claim to the English throne through the Mortimer line.

• A. Elizabeth de Burgh, 4th Countess of Ulster
  Elizabeth de Burgh, 4th Countess of Ulster, was a powerful Anglo-Irish noblewoman and heiress of vast estates whose marriage into the English royal family strengthened Plantagenet influence in Ireland.
• B. Margaret de Burgh
  Margaret de Burgh was a 13th–14th century Anglo-Norman noblewoman best known as the mother of Elizabeth de Burgh, Queen of Scots and wife of Robert the Bruce.
• C. Countess of Carrick
  The Countess of Carrick was a medieval Scottish noble title associated with the rulers of the earldom of Carrick in southwestern Scotland, notably held by Marjorie, mother of King Robert the Bruce.
• D. Mary Stewart, Countess of Angus
  Mary Stewart, Countess of Angus, was a medieval Scottish noblewoman and daughter of King Robert III of Scotland who played a role in the dynastic alliances of the Scottish royal family.
• E. Elizabeth Douglas, Countess of Morton
  Elizabeth Douglas, Countess of Morton, was a Scottish noblewoman of the powerful Douglas family who became Countess of Morton through her marriage to James Douglas, 4th Earl of Morton, a prominent 16th-century Scottish regent.
• F. None of above. chosen