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: Theobald, son of Edward I | Statement: [Eleanor, daughter of Edward I, sibling, Theobald, son of Edward I]

Target entity: Theobald, son of Edward I
Context triple: [Eleanor, daughter of Edward I, sibling, Theobald, son of Edward I]

• A. Henry, son of Edward I
  Henry, son of Edward I, was an English prince who died in childhood and is chiefly remembered as one of the early-deceased children of King Edward I and Queen Eleanor of Castile.
• B. 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.
• C. Henry of Courtenay
  Henry of Courtenay was a lesser-known medieval French nobleman of the Capetian House of Courtenay, notable primarily as a son of Peter II of Courtenay, Latin Emperor of Constantinople.
• D. 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.
• E. Edward I's son Edward of Caernarfon
  Edward of Caernarfon, later King Edward II of England, was the first English heir apparent to be formally invested as Prince of Wales and is remembered for his troubled reign and eventual deposition.
• 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: Theobald, son of Edward I
Triple: [Eleanor, daughter of Edward I, sibling, Theobald, son of Edward I]

Theobald, son of Edward I, was a short-lived child of King Edward I of England and Eleanor of Castile, known primarily from brief historical records noting his place in the royal family.

Target entity: Theobald, son of Edward I
Target entity description: Theobald, son of Edward I, was a short-lived child of King Edward I of England and Eleanor of Castile, known primarily from brief historical records noting his place in the royal family.

• A. Henry, son of Edward I
  Henry, son of Edward I, was an English prince who died in childhood and is chiefly remembered as one of the early-deceased children of King Edward I and Queen Eleanor of Castile.
• B. 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.
• C. Henry of Courtenay
  Henry of Courtenay was a lesser-known medieval French nobleman of the Capetian House of Courtenay, notable primarily as a son of Peter II of Courtenay, Latin Emperor of Constantinople.
• D. 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.
• E. Edward I's son Edward of Caernarfon
  Edward of Caernarfon, later King Edward II of England, was the first English heir apparent to be formally invested as Prince of Wales and is remembered for his troubled reign and eventual deposition.
• F. None of above. chosen