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: Ermentrud of Flanders | Statement: [Ælfthryth, Countess of Flanders, child, Ermentrud of Flanders]

Target entity: Ermentrud of Flanders
Context triple: [Ælfthryth, Countess of Flanders, child, Ermentrud of Flanders]

• A. Richilde, Countess of Hainaut
  Richilde, Countess of Hainaut, was an 11th-century noblewoman who ruled the counties of Hainaut and Flanders and played a central role in the regional power struggles of medieval Low Countries politics.
• B. Adela of Flanders
  Adela of Flanders was a medieval noblewoman of the influential Flemish comital family, best known as the daughter of Count Baldwin V of Flanders and the mother of Matilda of Flanders, queen consort of William the Conqueror.
• C. 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.
• D. Luitgarde of Vermandois
  Luitgarde of Vermandois was a 10th-century Frankish noblewoman from the influential Vermandois family who became Duchess of Normandy through her marriage to William Longsword.
• E. Ælfthryth, Countess of Flanders
  Ælfthryth, Countess of Flanders, was a 9th-century Anglo-Saxon noblewoman who married into the Flemish comital dynasty, helping forge important political ties between England and Flanders.
• 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: Ermentrud of Flanders
Triple: [Ælfthryth, Countess of Flanders, child, Ermentrud of Flanders]

Ermentrud of Flanders was a medieval noblewoman from the influential Flemish comital family, known primarily as a daughter of Ælfthryth, Countess of Flanders.

Target entity: Ermentrud of Flanders
Target entity description: Ermentrud of Flanders was a medieval noblewoman from the influential Flemish comital family, known primarily as a daughter of Ælfthryth, Countess of Flanders.

• A. Richilde, Countess of Hainaut
  Richilde, Countess of Hainaut, was an 11th-century noblewoman who ruled the counties of Hainaut and Flanders and played a central role in the regional power struggles of medieval Low Countries politics.
• B. Adela of Flanders
  Adela of Flanders was a medieval noblewoman of the influential Flemish comital family, best known as the daughter of Count Baldwin V of Flanders and the mother of Matilda of Flanders, queen consort of William the Conqueror.
• C. 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.
• D. Luitgarde of Vermandois
  Luitgarde of Vermandois was a 10th-century Frankish noblewoman from the influential Vermandois family who became Duchess of Normandy through her marriage to William Longsword.
• E. Ælfthryth, Countess of Flanders
  Ælfthryth, Countess of Flanders, was a 9th-century Anglo-Saxon noblewoman who married into the Flemish comital dynasty, helping forge important political ties between England and Flanders.
• F. None of above. chosen