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, Prince of Portugal | Statement: [John III of Portugal, child, Afonso, Prince of Portugal]

Target entity: Afonso, Prince of Portugal
Context triple: [John III of Portugal, child, Afonso, Prince of Portugal]

• A. John Manuel, Prince of Portugal
  John Manuel, Prince of Portugal was a 16th-century Portuguese infante and heir apparent to the throne whose early death prevented him from becoming king.
• B. Sebastian of Portugal
  Sebastian of Portugal was the young and zealous 16th-century king whose disastrous 1578 crusading campaign in Morocco led to his death and a dynastic crisis that precipitated the Iberian Union under Spanish rule.
• C. Infante of Portugal
  Infante of Portugal was a royal title given to the sons (and sometimes daughters) of the Portuguese monarch, denoting their status as princes of the royal family without implying direct succession to the throne.
• D. John I of Portugal
  John I of Portugal was the founder of the Aviz dynasty and king whose reign marked the beginning of Portugal’s overseas expansion and the rise of the Portuguese Empire.
• E. Afonso V of Portugal
  Afonso V of Portugal was a 15th-century Portuguese king known for his military campaigns in North Africa and for consolidating royal power during the early Age of Discovery.
• 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, Prince of Portugal
Triple: [John III of Portugal, child, Afonso, Prince of Portugal]

Afonso, Prince of Portugal was the eldest son and heir apparent of King John III of Portugal, whose early death prevented him from ascending the throne.

Target entity: Afonso, Prince of Portugal
Target entity description: Afonso, Prince of Portugal was the eldest son and heir apparent of King John III of Portugal, whose early death prevented him from ascending the throne.

• A. John Manuel, Prince of Portugal
  John Manuel, Prince of Portugal was a 16th-century Portuguese infante and heir apparent to the throne whose early death prevented him from becoming king.
• B. Sebastian of Portugal
  Sebastian of Portugal was the young and zealous 16th-century king whose disastrous 1578 crusading campaign in Morocco led to his death and a dynastic crisis that precipitated the Iberian Union under Spanish rule.
• C. Infante of Portugal
  Infante of Portugal was a royal title given to the sons (and sometimes daughters) of the Portuguese monarch, denoting their status as princes of the royal family without implying direct succession to the throne.
• D. John I of Portugal
  John I of Portugal was the founder of the Aviz dynasty and king whose reign marked the beginning of Portugal’s overseas expansion and the rise of the Portuguese Empire.
• E. Afonso V of Portugal
  Afonso V of Portugal was a 15th-century Portuguese king known for his military campaigns in North Africa and for consolidating royal power during the early Age of Discovery.
• F. None of above. chosen