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: Richard Plantagenet, 3rd Duke of York | Statement: [Richard III of England, father, Richard Plantagenet, 3rd Duke of York]

Target entity: Richard Plantagenet, 3rd Duke of York
Context triple: [Richard III of England, father, Richard Plantagenet, 3rd Duke of York]

• A. Edmund of Langley, 1st Duke of York
  Edmund of Langley, 1st Duke of York, was a 14th-century English prince and nobleman who founded the House of York, a key dynasty in the Wars of the Roses.
• B. Thomas Beaufort, Duke of Exeter
  Thomas Beaufort, Duke of Exeter, was an early 15th-century English nobleman, military commander, and half-uncle of King Henry V who played a prominent role in the Hundred Years’ War and royal government.
• C. Lionel of Antwerp, 1st Duke of Clarence
  Lionel of Antwerp, 1st Duke of Clarence, was a 14th-century English prince and nobleman whose lineage played a key role in the later Wars of the Roses through the Yorkist claim to the throne.
• D. Roger Mortimer, 1st Earl of March
  Roger Mortimer, 1st Earl of March, was a powerful 14th-century English nobleman who led the rebellion against King Edward II and effectively ruled England during the early reign of Edward III before being overthrown and executed.
• E. Edmund Tudor, Duke of Somerset
  Edmund Tudor, Duke of Somerset, was a short-lived English prince of the early Tudor dynasty, known primarily as the younger son of King Henry VII of England and Elizabeth of York.
• 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: Richard Plantagenet, 3rd Duke of York
Triple: [Richard III of England, father, Richard Plantagenet, 3rd Duke of York]

Richard Plantagenet, 3rd Duke of York was a key 15th-century English noble and claimant to the throne whose dynastic struggle with the Lancastrians helped ignite the Wars of the Roses and paved the way for the Yorkist kings.

Target entity: Richard Plantagenet, 3rd Duke of York
Target entity description: Richard Plantagenet, 3rd Duke of York was a key 15th-century English noble and claimant to the throne whose dynastic struggle with the Lancastrians helped ignite the Wars of the Roses and paved the way for the Yorkist kings.

• A. Edmund of Langley, 1st Duke of York
  Edmund of Langley, 1st Duke of York, was a 14th-century English prince and nobleman who founded the House of York, a key dynasty in the Wars of the Roses.
• B. Thomas Beaufort, Duke of Exeter
  Thomas Beaufort, Duke of Exeter, was an early 15th-century English nobleman, military commander, and half-uncle of King Henry V who played a prominent role in the Hundred Years’ War and royal government.
• C. Lionel of Antwerp, 1st Duke of Clarence
  Lionel of Antwerp, 1st Duke of Clarence, was a 14th-century English prince and nobleman whose lineage played a key role in the later Wars of the Roses through the Yorkist claim to the throne.
• D. Roger Mortimer, 1st Earl of March
  Roger Mortimer, 1st Earl of March, was a powerful 14th-century English nobleman who led the rebellion against King Edward II and effectively ruled England during the early reign of Edward III before being overthrown and executed.
• E. Edmund Tudor, Duke of Somerset
  Edmund Tudor, Duke of Somerset, was a short-lived English prince of the early Tudor dynasty, known primarily as the younger son of King Henry VII of England and Elizabeth of York.
• F. None of above. chosen