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: John of Cornwall | Statement: [Richard, 1st Earl of Cornwall, child, John of Cornwall]

Target entity: John of Cornwall
Context triple: [Richard, 1st Earl of Cornwall, child, John of Cornwall]

• A. Richard, 1st Earl of Cornwall
  Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
• B. John of Eltham, Earl of Cornwall
  John of Eltham, Earl of Cornwall, was a 14th-century English prince, the second son of King Edward II and Isabella of France, who played a notable military role in the early stages of the Hundred Years’ War before his early death.
• C. Prince Arthur, Duke of Brittany
  Prince Arthur, Duke of Brittany was the nephew of King John of England and a Plantagenet prince whose disputed claim to the English throne and mysterious early death made him a notable figure in medieval English history.
• D. Nicholas of Guildford
  Nicholas of Guildford is a medieval English writer believed by some scholars to be the author of the Middle English debate poem *The Owl and the Nightingale*.
• E. Prince Arthur of Connaught
  Prince Arthur of Connaught was a British royal prince, grandson of Queen Victoria, who served as a soldier and later as Governor-General of the Union of South Africa.
• 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: John of Cornwall
Triple: [Richard, 1st Earl of Cornwall, child, John of Cornwall]

John of Cornwall was a 13th-century English nobleman, the son of Richard, 1st Earl of Cornwall, and a member of the Plantagenet royal family.

Target entity: John of Cornwall
Target entity description: John of Cornwall was a 13th-century English nobleman, the son of Richard, 1st Earl of Cornwall, and a member of the Plantagenet royal family.

• A. Richard, 1st Earl of Cornwall
  Richard, 1st Earl of Cornwall was a 13th-century English prince, wealthy magnate, and elected King of the Romans who played a significant role in European politics during the reigns of his brother Henry III and beyond.
• B. John of Eltham, Earl of Cornwall
  John of Eltham, Earl of Cornwall, was a 14th-century English prince, the second son of King Edward II and Isabella of France, who played a notable military role in the early stages of the Hundred Years’ War before his early death.
• C. Prince Arthur, Duke of Brittany
  Prince Arthur, Duke of Brittany was the nephew of King John of England and a Plantagenet prince whose disputed claim to the English throne and mysterious early death made him a notable figure in medieval English history.
• D. Nicholas of Guildford
  Nicholas of Guildford is a medieval English writer believed by some scholars to be the author of the Middle English debate poem *The Owl and the Nightingale*.
• E. Prince Arthur of Connaught
  Prince Arthur of Connaught was a British royal prince, grandson of Queen Victoria, who served as a soldier and later as Governor-General of the Union of South Africa.
• F. None of above. chosen