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: Matilda of England (half-sister) | Statement: [Robert, 1st Earl of Gloucester, relatedTo, Matilda of England (half-sister)]

Target entity: Matilda of England (half-sister)
Context triple: [Robert, 1st Earl of Gloucester, relatedTo, Matilda of England (half-sister)]

• A. Matilda of Huntingdon
  Matilda of Huntingdon was a medieval English noblewoman and countess whose lineage and marriages connected several prominent aristocratic families in 12th-century Britain.
• B. Matilda of England, Duchess of Saxony
  Matilda of England, Duchess of Saxony, was a 12th-century English princess, daughter of King Henry II and Eleanor of Aquitaine, who became duchess through marriage to Henry the Lion and played a key role in Anglo-German dynastic alliances.
• C. Matilda of Lancaster
  Matilda of Lancaster was a 14th-century English noblewoman of the royal House of Lancaster who became Countess of Ulster through marriage and was connected to the Welsh prince Dafydd ap Gruffudd by family ties.
• D. Matilda of Anjou
  Matilda of Anjou was a 12th-century noblewoman, daughter of Count Fulk V of Anjou, whose brief marriage to William Adelin linked the Angevin and English royal houses before his death in the White Ship disaster.
• E. Matilda of Brunswick-Lüneburg
  Matilda of Brunswick-Lüneburg was a 13th-century German noblewoman of the Welf dynasty, known as the daughter of Otto the Child, Duke of Brunswick-Lüneburg.
• 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: Matilda of England (half-sister)
Triple: [Robert, 1st Earl of Gloucester, relatedTo, Matilda of England (half-sister)]

Matilda of England was an illegitimate daughter of King Henry I of England and half-sister to Empress Matilda, known primarily through her marriage into the noble FitzRoy family.

Target entity: Matilda of England (half-sister)
Target entity description: Matilda of England was an illegitimate daughter of King Henry I of England and half-sister to Empress Matilda, known primarily through her marriage into the noble FitzRoy family.

• A. Matilda of Huntingdon
  Matilda of Huntingdon was a medieval English noblewoman and countess whose lineage and marriages connected several prominent aristocratic families in 12th-century Britain.
• B. Matilda of England, Duchess of Saxony
  Matilda of England, Duchess of Saxony, was a 12th-century English princess, daughter of King Henry II and Eleanor of Aquitaine, who became duchess through marriage to Henry the Lion and played a key role in Anglo-German dynastic alliances.
• C. Matilda of Lancaster
  Matilda of Lancaster was a 14th-century English noblewoman of the royal House of Lancaster who became Countess of Ulster through marriage and was connected to the Welsh prince Dafydd ap Gruffudd by family ties.
• D. Matilda of Anjou
  Matilda of Anjou was a 12th-century noblewoman, daughter of Count Fulk V of Anjou, whose brief marriage to William Adelin linked the Angevin and English royal houses before his death in the White Ship disaster.
• E. Matilda of Brunswick-Lüneburg
  Matilda of Brunswick-Lüneburg was a 13th-century German noblewoman of the Welf dynasty, known as the daughter of Otto the Child, Duke of Brunswick-Lüneburg.
• F. None of above. chosen