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: Afonso (son of Peter I and Constanza Manuel) | Statement: [John of Portugal (son of Peter I and Inês de Castro), sibling, Afonso (son of Peter I and Constanza Manuel)]

Target entity: Afonso (son of Peter I and Constanza Manuel)
Context triple: [John of Portugal (son of Peter I and Inês de Castro), sibling, Afonso (son of Peter I and Constanza Manuel)]

• A. Afonso of Portugal (son of Peter I and Inês de Castro)
  Afonso of Portugal was an infante (prince) of 14th-century Portugal, notable primarily as the posthumously recognized son of King Peter I and his tragic lover-queen Inês de Castro.
• B. Afonso, Cardinal-Infante of Portugal
  Afonso, Cardinal-Infante of Portugal was a 16th-century Portuguese infante who became a cardinal of the Catholic Church and played a significant role in the religious and political affairs of the Portuguese monarchy.
• C. Infante Peter, Duke of Coimbra
  Infante Peter, Duke of Coimbra was a 15th-century Portuguese prince, statesman, and regent of Portugal known for his role in governance and support of early Portuguese exploration.
• D. Infante Peter of Portugal
  Infante Peter of Portugal was an 18th-century Portuguese prince of the House of Braganza, notable as a younger son of King John V and a prominent member of the royal family.
• E. Afonso of Portugal, Lord of Portalegre
  Afonso of Portugal, Lord of Portalegre, was a 13th-century Portuguese infante and nobleman who held the lordship of Portalegre as a younger son of King Afonso III.
• 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: Afonso (son of Peter I and Constanza Manuel)
Triple: [John of Portugal (son of Peter I and Inês de Castro), sibling, Afonso (son of Peter I and Constanza Manuel)]

Afonso was an infante of Portugal, the legitimate son of King Peter I and Constanza Manuel, and a member of the 14th-century Portuguese royal family.

Target entity: Afonso (son of Peter I and Constanza Manuel)
Target entity description: Afonso was an infante of Portugal, the legitimate son of King Peter I and Constanza Manuel, and a member of the 14th-century Portuguese royal family.

• A. Afonso of Portugal (son of Peter I and Inês de Castro) chosen
  Afonso of Portugal was an infante (prince) of 14th-century Portugal, notable primarily as the posthumously recognized son of King Peter I and his tragic lover-queen Inês de Castro.
• B. Afonso, Cardinal-Infante of Portugal
  Afonso, Cardinal-Infante of Portugal was a 16th-century Portuguese infante who became a cardinal of the Catholic Church and played a significant role in the religious and political affairs of the Portuguese monarchy.
• C. Infante Peter, Duke of Coimbra
  Infante Peter, Duke of Coimbra was a 15th-century Portuguese prince, statesman, and regent of Portugal known for his role in governance and support of early Portuguese exploration.
• D. Infante Peter of Portugal
  Infante Peter of Portugal was an 18th-century Portuguese prince of the House of Braganza, notable as a younger son of King John V and a prominent member of the royal family.
• E. Afonso of Portugal, Lord of Portalegre
  Afonso of Portugal, Lord of Portalegre, was a 13th-century Portuguese infante and nobleman who held the lordship of Portalegre as a younger son of King Afonso III.
• F. None of above.