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: Theresa of León | Statement: [Afonso I of Portugal, mother, Theresa of León]

Target entity: Theresa of León
Context triple: [Afonso I of Portugal, mother, Theresa of León]

• A. Sancha of León
  Sancha of León was an infanta of the Kingdom of León, daughter of King Alfonso IX, known for her role in the dynastic politics of medieval Iberia.
• B. Urraca of León and Castile
  Urraca of León and Castile was a 12th-century queen who ruled the kingdoms of León, Castile, and Galicia in her own right, becoming one of medieval Europe’s earliest reigning queens.
• C. Queen of León
  Queen of León was the royal consort and later co-ruler of the medieval Kingdom of León on the Iberian Peninsula.
• D. Constance of Castile
  Constance of Castile was a 14th-century Castilian princess and claimant to the Castilian throne who became the second wife of John of Gaunt, Duke of Lancaster, thereby linking the English royal family to the Castilian royal line.
• E. Constance of Castile
  Constance of Castile was a 12th-century Castilian princess who became Queen of France as the second wife of King Louis VII.
• 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: Theresa of León
Triple: [Afonso I of Portugal, mother, Theresa of León]

Theresa of León was a 12th-century Portuguese countess and de facto ruler of the County of Portugal, best known as the mother of Afonso I, the first king of Portugal.

Target entity: Theresa of León
Target entity description: Theresa of León was a 12th-century Portuguese countess and de facto ruler of the County of Portugal, best known as the mother of Afonso I, the first king of Portugal.

• A. Sancha of León
  Sancha of León was an infanta of the Kingdom of León, daughter of King Alfonso IX, known for her role in the dynastic politics of medieval Iberia.
• B. Urraca of León and Castile
  Urraca of León and Castile was a 12th-century queen who ruled the kingdoms of León, Castile, and Galicia in her own right, becoming one of medieval Europe’s earliest reigning queens.
• C. Queen of León
  Queen of León was the royal consort and later co-ruler of the medieval Kingdom of León on the Iberian Peninsula.
• D. Constance of Castile
  Constance of Castile was a 14th-century Castilian princess and claimant to the Castilian throne who became the second wife of John of Gaunt, Duke of Lancaster, thereby linking the English royal family to the Castilian royal line.
• E. Constance of Castile
  Constance of Castile was a 12th-century Castilian princess who became Queen of France as the second wife of King Louis VII.
• F. None of above. chosen