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: Ermengarde of Maine | Statement: [Geoffrey V Plantagenet, mother, Ermengarde of Maine]

Target entity: Ermengarde of Maine
Context triple: [Geoffrey V Plantagenet, mother, Ermengarde of Maine]

• A. Ermengarde of Hesbaye
  Ermengarde of Hesbaye was a Frankish noblewoman who became Empress of the Carolingian Empire as the first wife of Emperor Louis the Pious.
• B. Aenor de Châtellerault
  Aenor de Châtellerault was a 12th-century French noblewoman, daughter of Viscount Aimery I of Châtellerault and mother of Eleanor of Aquitaine, one of medieval Europe’s most powerful queens.
• C. Cecilia of Normandy
  Cecilia of Normandy was a Norman noblewoman, daughter of William the Conqueror, who became abbess of the influential Abbey of the Holy Trinity in Caen.
• D. Ingelberga of Aquitaine
  Ingelberga of Aquitaine was a medieval noblewoman from the Aquitanian aristocracy, notable as the founder and patron of the influential Benedictine monastery of Cluny.
• E. Blanche of Brittany
  Blanche of Brittany was a 13th-century French noblewoman of the ducal house of Brittany, notable for her Plantagenet royal connections through her mother Beatrice of England.
• 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: Ermengarde of Maine
Triple: [Geoffrey V Plantagenet, mother, Ermengarde of Maine]

Ermengarde of Maine was a 12th-century noblewoman, Countess of Maine, and a key figure in the Angevin dynasty as the wife of Fulk V of Anjou and mother of Geoffrey Plantagenet, ancestor of the Plantagenet kings of England.

Target entity: Ermengarde of Maine
Target entity description: Ermengarde of Maine was a 12th-century noblewoman, Countess of Maine, and a key figure in the Angevin dynasty as the wife of Fulk V of Anjou and mother of Geoffrey Plantagenet, ancestor of the Plantagenet kings of England.

• A. Ermengarde of Hesbaye
  Ermengarde of Hesbaye was a Frankish noblewoman who became Empress of the Carolingian Empire as the first wife of Emperor Louis the Pious.
• B. Aenor de Châtellerault
  Aenor de Châtellerault was a 12th-century French noblewoman, daughter of Viscount Aimery I of Châtellerault and mother of Eleanor of Aquitaine, one of medieval Europe’s most powerful queens.
• C. Cecilia of Normandy
  Cecilia of Normandy was a Norman noblewoman, daughter of William the Conqueror, who became abbess of the influential Abbey of the Holy Trinity in Caen.
• D. Ingelberga of Aquitaine
  Ingelberga of Aquitaine was a medieval noblewoman from the Aquitanian aristocracy, notable as the founder and patron of the influential Benedictine monastery of Cluny.
• E. Blanche of Brittany
  Blanche of Brittany was a 13th-century French noblewoman of the ducal house of Brittany, notable for her Plantagenet royal connections through her mother Beatrice of England.
• F. None of above. chosen