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 of Brittany | Statement: [John I, Duke of Brittany, child, Theobald of Brittany]

Target entity: Theobald of Brittany
Context triple: [John I, Duke of Brittany, child, Theobald of Brittany]

• A. Alan IV, Duke of Brittany
  Alan IV, Duke of Brittany was an 11th–12th century Breton ruler known for his participation in the First Crusade and his role in consolidating ducal authority in Brittany.
• B. 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.
• C. John III of Penthièvre
  John III of Penthièvre was a 15th-century French nobleman and claimant to the Duchy of Brittany from the House of Penthièvre, involved in the Breton succession disputes.
• D. Arthur III, Duke of Brittany
  Arthur III, Duke of Brittany was a 15th-century Breton nobleman and military leader who served as Constable of France and played a key role in the later stages of the Hundred Years’ War.
• E. John VI, Duke of Brittany
  John VI, Duke of Brittany was a late 14th- and early 15th-century Breton ruler known for consolidating ducal authority and navigating the complex politics between France and England during the Hundred Years’ War.
• 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 of Brittany
Triple: [John I, Duke of Brittany, child, Theobald of Brittany]

Theobald of Brittany was a medieval Breton nobleman, known primarily as a younger son of Duke John I of Brittany and a member of the ducal House of Dreux.

Target entity: Theobald of Brittany
Target entity description: Theobald of Brittany was a medieval Breton nobleman, known primarily as a younger son of Duke John I of Brittany and a member of the ducal House of Dreux.

• A. Alan IV, Duke of Brittany
  Alan IV, Duke of Brittany was an 11th–12th century Breton ruler known for his participation in the First Crusade and his role in consolidating ducal authority in Brittany.
• B. 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.
• C. John III of Penthièvre
  John III of Penthièvre was a 15th-century French nobleman and claimant to the Duchy of Brittany from the House of Penthièvre, involved in the Breton succession disputes.
• D. Arthur III, Duke of Brittany
  Arthur III, Duke of Brittany was a 15th-century Breton nobleman and military leader who served as Constable of France and played a key role in the later stages of the Hundred Years’ War.
• E. John VI, Duke of Brittany
  John VI, Duke of Brittany was a late 14th- and early 15th-century Breton ruler known for consolidating ducal authority and navigating the complex politics between France and England during the Hundred Years’ War.
• F. None of above. chosen