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: Infante Henry, Duke of Viseu | Statement: [Philippa of Lancaster, child, Infante Henry, Duke of Viseu]

Target entity: Infante Henry, Duke of Viseu
Context triple: [Philippa of Lancaster, child, Infante Henry, Duke of Viseu]

• A. 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.
• B. Sancho II of Portugal
  Sancho II of Portugal was a 13th-century Portuguese king whose troubled reign was marked by internal conflicts and eventual deposition in favor of his brother.
• C. Duarte I of Portugal
  Duarte I of Portugal was a 15th-century King of Portugal from the Avis dynasty, known for his pious character and for continuing the early phases of Portuguese maritime expansion.
• D. Afonso of Portugal
  Afonso of Portugal was a 15th-century Portuguese infante and nobleman of the Avis dynasty, known for his role in the political struggles of his time and his close ties to the royal family.
• E. Sancho I of Portugal
  Sancho I of Portugal was the second king of Portugal, known for consolidating the young kingdom’s independence and promoting its territorial expansion and settlement.
• 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: Infante Henry, Duke of Viseu
Triple: [Philippa of Lancaster, child, Infante Henry, Duke of Viseu]

Infante Henry, Duke of Viseu, better known as Henry the Navigator, was a 15th-century Portuguese prince who played a key role in the early days of the Age of Discovery by sponsoring maritime exploration along the West African coast.

Target entity: Infante Henry, Duke of Viseu
Target entity description: Infante Henry, Duke of Viseu, better known as Henry the Navigator, was a 15th-century Portuguese prince who played a key role in the early days of the Age of Discovery by sponsoring maritime exploration along the West African coast.

• A. 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.
• B. Sancho II of Portugal
  Sancho II of Portugal was a 13th-century Portuguese king whose troubled reign was marked by internal conflicts and eventual deposition in favor of his brother.
• C. Duarte I of Portugal
  Duarte I of Portugal was a 15th-century King of Portugal from the Avis dynasty, known for his pious character and for continuing the early phases of Portuguese maritime expansion.
• D. Afonso of Portugal
  Afonso of Portugal was a 15th-century Portuguese infante and nobleman of the Avis dynasty, known for his role in the political struggles of his time and his close ties to the royal family.
• E. Sancho I of Portugal
  Sancho I of Portugal was the second king of Portugal, known for consolidating the young kingdom’s independence and promoting its territorial expansion and settlement.
• F. None of above. chosen