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: Geoffrey II, Duke of Brittany | Statement: [Richard I of England, sibling, Geoffrey II, Duke of Brittany]

Target entity: Geoffrey II, Duke of Brittany
Context triple: [Richard I of England, sibling, Geoffrey II, Duke of Brittany]

• A. Duke of Brittany
  The Duke of Brittany was the sovereign or semi-sovereign ruler of the historic region of Brittany in northwestern France, holding a ducal title central to the area's medieval political and cultural identity.
• B. Hugh of Vermandois
  Hugh of Vermandois was a French nobleman and younger brother of King Philip I of France who served as one of the prominent princely leaders during the First Crusade.
• C. Gaston de Blondeville
  Gaston de Blondeville is a historical Gothic romance novel by Ann Radcliffe, set in medieval England and blending chivalric adventure with supernatural elements.
• D. Duke of Aquitaine
  The Duke of Aquitaine was a powerful medieval noble title associated with rulership over the rich and strategically important region of Aquitaine in southwestern France, often held by English kings during the High Middle Ages.
• E. Robert I, Duke of Normandy
  Robert I, Duke of Normandy was an early 11th-century Norman ruler best known as the father of William the Conqueror and for his pious pilgrimage to the Holy Land, during which he died.
• 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: Geoffrey II, Duke of Brittany
Triple: [Richard I of England, sibling, 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.

Target entity: Geoffrey II, Duke of Brittany
Target entity description: 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.

• A. Duke of Brittany
  The Duke of Brittany was the sovereign or semi-sovereign ruler of the historic region of Brittany in northwestern France, holding a ducal title central to the area's medieval political and cultural identity.
• B. Hugh of Vermandois
  Hugh of Vermandois was a French nobleman and younger brother of King Philip I of France who served as one of the prominent princely leaders during the First Crusade.
• C. Gaston de Blondeville
  Gaston de Blondeville is a historical Gothic romance novel by Ann Radcliffe, set in medieval England and blending chivalric adventure with supernatural elements.
• D. Duke of Aquitaine
  The Duke of Aquitaine was a powerful medieval noble title associated with rulership over the rich and strategically important region of Aquitaine in southwestern France, often held by English kings during the High Middle Ages.
• E. Robert I, Duke of Normandy
  Robert I, Duke of Normandy was an early 11th-century Norman ruler best known as the father of William the Conqueror and for his pious pilgrimage to the Holy Land, during which he died.
• F. None of above. chosen