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 le Breton | Statement: [Murder of Thomas Becket, hasPerpetrator, Richard le Breton]

Target entity: Richard le Breton
Context triple: [Murder of Thomas Becket, hasPerpetrator, Richard le Breton]

• A. 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.
• B. Guillaume Cale
  Guillaume Cale was a 14th-century French peasant leader who headed the Jacquerie uprising against the nobility during the Hundred Years' War.
• C. Arthur II, Duke of Brittany
  Arthur II, Duke of Brittany was a late 13th- and early 14th-century Breton ruler from the House of Dreux who governed the Duchy of Brittany under French suzerainty and navigated complex feudal and dynastic politics of medieval France.
• D. Baldwin of Blois
  Baldwin of Blois was a 12th-century French nobleman, son of King Stephen of England and Matilda I of Boulogne, who held the title of Count of Blois.
• E. Charles of Blois
  Charles of Blois was a 14th-century French nobleman and claimant to the Duchy of Brittany, known for his role in the Breton War of Succession and later venerated as a saintly figure.
• 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 le Breton
Triple: [Murder of Thomas Becket, hasPerpetrator, Richard le Breton]

Richard le Breton was a 12th-century knight of King Henry II of England, best known as one of the four assassins who killed Archbishop Thomas Becket in Canterbury Cathedral in 1170.

Target entity: Richard le Breton
Target entity description: Richard le Breton was a 12th-century knight of King Henry II of England, best known as one of the four assassins who killed Archbishop Thomas Becket in Canterbury Cathedral in 1170.

• A. 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.
• B. Guillaume Cale
  Guillaume Cale was a 14th-century French peasant leader who headed the Jacquerie uprising against the nobility during the Hundred Years' War.
• C. Arthur II, Duke of Brittany
  Arthur II, Duke of Brittany was a late 13th- and early 14th-century Breton ruler from the House of Dreux who governed the Duchy of Brittany under French suzerainty and navigated complex feudal and dynastic politics of medieval France.
• D. Baldwin of Blois
  Baldwin of Blois was a 12th-century French nobleman, son of King Stephen of England and Matilda I of Boulogne, who held the title of Count of Blois.
• E. Charles of Blois
  Charles of Blois was a 14th-century French nobleman and claimant to the Duchy of Brittany, known for his role in the Breton War of Succession and later venerated as a saintly figure.
• F. None of above. chosen