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 ferch Llywelyn | Statement: [Dafydd II of Gwynedd, sibling, Margaret ferch Llywelyn]

Target entity: Margaret ferch Llywelyn
Context triple: [Dafydd II of Gwynedd, sibling, Margaret ferch Llywelyn]

• A. Gwenllian ferch Llywelyn
  Gwenllian ferch Llywelyn was the only child of the last native Prince of Wales, whose capture and lifelong confinement in an English priory came to symbolize the end of independent medieval Wales.
• B. Elen ferch Llywelyn
  Elen ferch Llywelyn was a 13th-century Welsh noblewoman, daughter of Llywelyn the Great and Joan, Lady of Wales, whose marriages linked the Welsh princely house with powerful Marcher and English families.
• C. Elizabeth of Rhuddlan
  Elizabeth of Rhuddlan was an English princess, the youngest daughter of King Edward I, known for her politically significant marriages into the noble families of Holland and Hereford during the late 13th and early 14th centuries.
• D. Joan, Lady of Wales
  Joan, Lady of Wales was an illegitimate daughter of King John of England who became the wife of Llywelyn the Great, Prince of Gwynedd, playing a notable diplomatic role between the English crown and medieval Wales.
• E. Maud of Wales
  Maud of Wales was a British princess who became Queen of Norway as the wife of King Haakon VII.
• 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 ferch Llywelyn
Triple: [Dafydd II of Gwynedd, sibling, Margaret ferch Llywelyn]

Margaret ferch Llywelyn was a 13th-century Welsh princess, daughter of Llywelyn the Great of Gwynedd, who played a role in the dynastic alliances between Wales and the English nobility.

Target entity: Margaret ferch Llywelyn
Target entity description: Margaret ferch Llywelyn was a 13th-century Welsh princess, daughter of Llywelyn the Great of Gwynedd, who played a role in the dynastic alliances between Wales and the English nobility.

• A. Gwenllian ferch Llywelyn
  Gwenllian ferch Llywelyn was the only child of the last native Prince of Wales, whose capture and lifelong confinement in an English priory came to symbolize the end of independent medieval Wales.
• B. Elen ferch Llywelyn
  Elen ferch Llywelyn was a 13th-century Welsh noblewoman, daughter of Llywelyn the Great and Joan, Lady of Wales, whose marriages linked the Welsh princely house with powerful Marcher and English families.
• C. Elizabeth of Rhuddlan
  Elizabeth of Rhuddlan was an English princess, the youngest daughter of King Edward I, known for her politically significant marriages into the noble families of Holland and Hereford during the late 13th and early 14th centuries.
• D. Joan, Lady of Wales
  Joan, Lady of Wales was an illegitimate daughter of King John of England who became the wife of Llywelyn the Great, Prince of Gwynedd, playing a notable diplomatic role between the English crown and medieval Wales.
• E. Maud of Wales
  Maud of Wales was a British princess who became Queen of Norway as the wife of King Haakon VII.
• F. None of above. chosen