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: Conan III, Duke of Brittany | Statement: [House of Cornouaille, notableMember, Conan III, Duke of Brittany]

Target entity: Conan III, Duke of Brittany
Context triple: [House of Cornouaille, notableMember, Conan III, Duke of Brittany]

• A. Conan II, Duke of Brittany
  Conan II, Duke of Brittany was an 11th-century Breton ruler known for his efforts to assert the duchy's independence from Norman and French influence.
• B. Conan IV, Duke of Brittany
  Conan IV, Duke of Brittany was a 12th-century Breton nobleman who ruled the Duchy of Brittany and became a key figure in the complex dynastic struggles between the Angevin kings of England and the French crown.
• C. Hoël II, Duke of Brittany
  Hoël II, Duke of Brittany was an 11th-century Breton nobleman who ruled as Duke of Brittany and Count of Nantes, playing a key role in consolidating ducal authority in the region.
• D. Geoffrey II, Duke of Brittany
  Geoffrey II, Duke of Brittany was a 12th-century French nobleman, son of Henry II of England and brother of Richard the Lionheart, who ruled Brittany through his marriage to Constance and died young in a tournament accident.
• E. 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.
• 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: Conan III, Duke of Brittany
Triple: [House of Cornouaille, notableMember, Conan III, Duke of Brittany]

Conan III, Duke of Brittany was a 12th-century Breton ruler from the House of Cornouaille who governed the Duchy of Brittany and played a key role in its medieval political affairs.

Target entity: Conan III, Duke of Brittany
Target entity description: Conan III, Duke of Brittany was a 12th-century Breton ruler from the House of Cornouaille who governed the Duchy of Brittany and played a key role in its medieval political affairs.

• A. Conan II, Duke of Brittany
  Conan II, Duke of Brittany was an 11th-century Breton ruler known for his efforts to assert the duchy's independence from Norman and French influence.
• B. Conan IV, Duke of Brittany
  Conan IV, Duke of Brittany was a 12th-century Breton nobleman who ruled the Duchy of Brittany and became a key figure in the complex dynastic struggles between the Angevin kings of England and the French crown.
• C. Hoël II, Duke of Brittany
  Hoël II, Duke of Brittany was an 11th-century Breton nobleman who ruled as Duke of Brittany and Count of Nantes, playing a key role in consolidating ducal authority in the region.
• D. Geoffrey II, Duke of Brittany
  Geoffrey II, Duke of Brittany was a 12th-century French nobleman, son of Henry II of England and brother of Richard the Lionheart, who ruled Brittany through his marriage to Constance and died young in a tournament accident.
• E. 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.
• F. None of above. chosen