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: Gruffudd ap Llywelyn | Statement: [Welsh principalities, notableRuler, Gruffudd ap Llywelyn]

Target entity: Gruffudd ap Llywelyn
Context triple: [Welsh principalities, notableRuler, Gruffudd ap Llywelyn]

• A. Llywelyn ap Gruffudd
  Llywelyn ap Gruffudd was the 13th-century Prince of Wales and the last native ruler to unite much of Wales before its conquest by England.
• B. Dafydd II of Gwynedd
  Dafydd II of Gwynedd was a 13th-century Prince of Wales and ruler of the Kingdom of Gwynedd, known for his resistance to English conquest under King Edward I.
• C. Owain Gwynedd
  Owain Gwynedd was a 12th-century Prince of Gwynedd and one of the most powerful and successful native Welsh rulers, known for resisting Anglo-Norman encroachment and consolidating Welsh independence.
• D. Llywelyn the Great
  Llywelyn the Great was a 13th-century Prince of Gwynedd who became the most powerful Welsh ruler of his time, effectively uniting much of Wales under his leadership.
• E. Dafydd I of Gwynedd
  Dafydd I of Gwynedd was a 13th-century Prince of Gwynedd and briefly ruler of much of Wales, known for his conflicts with his brother Llywelyn the Great and his dealings with the English crown.
• 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: Gruffudd ap Llywelyn
Triple: [Welsh principalities, notableRuler, Gruffudd ap Llywelyn]

Gruffudd ap Llywelyn was an 11th-century Welsh king who, uniquely, succeeded in uniting much of Wales under his rule before being overthrown and killed in 1063.

Target entity: Gruffudd ap Llywelyn
Target entity description: Gruffudd ap Llywelyn was an 11th-century Welsh king who, uniquely, succeeded in uniting much of Wales under his rule before being overthrown and killed in 1063.

• A. Llywelyn ap Gruffudd
  Llywelyn ap Gruffudd was the 13th-century Prince of Wales and the last native ruler to unite much of Wales before its conquest by England.
• B. Dafydd II of Gwynedd
  Dafydd II of Gwynedd was a 13th-century Prince of Wales and ruler of the Kingdom of Gwynedd, known for his resistance to English conquest under King Edward I.
• C. Owain Gwynedd
  Owain Gwynedd was a 12th-century Prince of Gwynedd and one of the most powerful and successful native Welsh rulers, known for resisting Anglo-Norman encroachment and consolidating Welsh independence.
• D. Llywelyn the Great
  Llywelyn the Great was a 13th-century Prince of Gwynedd who became the most powerful Welsh ruler of his time, effectively uniting much of Wales under his leadership.
• E. Dafydd I of Gwynedd
  Dafydd I of Gwynedd was a 13th-century Prince of Gwynedd and briefly ruler of much of Wales, known for his conflicts with his brother Llywelyn the Great and his dealings with the English crown.
• F. None of above. chosen