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: Alexander Stewart, Duke of Rothesay | Statement: [Annabella Stewart, sibling, Alexander Stewart, Duke of Rothesay]

Target entity: Alexander Stewart, Duke of Rothesay
Context triple: [Annabella Stewart, sibling, Alexander Stewart, Duke of Rothesay]

• A. David Stewart, Duke of Rothesay
  David Stewart, Duke of Rothesay was the eldest son and heir apparent of King Robert III of Scotland, whose early death in 1402 under suspicious circumstances made him a notable and tragic figure in late medieval Scottish history.
• B. Charles James, Duke of Rothesay
  Charles James, Duke of Rothesay was the short-lived eldest son of King Charles I of England and Scotland, who died in infancy and never acceded to the throne.
• C. David of Scotland, Prince of Scotland
  David of Scotland, Prince of Scotland, was the younger son of King Alexander III whose early death left his elder brother as the primary heir to the Scottish throne, contributing to the later succession crisis.
• D. Alexander, Prince of Scotland
  Alexander, Prince of Scotland was the eldest son and heir apparent of King Alexander III of Scotland in the 13th century, whose early death helped set the stage for the Scottish succession crisis.
• E. Edward of Scotland
  Edward of Scotland was a medieval Scottish royal, likely a prince of the House of Dunkeld and brother to Edmund of Scotland.
• 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: Alexander Stewart, Duke of Rothesay
Triple: [Annabella Stewart, sibling, Alexander Stewart, Duke of Rothesay]

Alexander Stewart, Duke of Rothesay, was the eldest son and heir apparent of King James I of Scotland who died in childhood, preventing him from ascending the throne.

Target entity: Alexander Stewart, Duke of Rothesay
Target entity description: Alexander Stewart, Duke of Rothesay, was the eldest son and heir apparent of King James I of Scotland who died in childhood, preventing him from ascending the throne.

• A. David Stewart, Duke of Rothesay
  David Stewart, Duke of Rothesay was the eldest son and heir apparent of King Robert III of Scotland, whose early death in 1402 under suspicious circumstances made him a notable and tragic figure in late medieval Scottish history.
• B. Charles James, Duke of Rothesay
  Charles James, Duke of Rothesay was the short-lived eldest son of King Charles I of England and Scotland, who died in infancy and never acceded to the throne.
• C. David of Scotland, Prince of Scotland
  David of Scotland, Prince of Scotland, was the younger son of King Alexander III whose early death left his elder brother as the primary heir to the Scottish throne, contributing to the later succession crisis.
• D. Alexander, Prince of Scotland
  Alexander, Prince of Scotland was the eldest son and heir apparent of King Alexander III of Scotland in the 13th century, whose early death helped set the stage for the Scottish succession crisis.
• E. Edward of Scotland
  Edward of Scotland was a medieval Scottish royal, likely a prince of the House of Dunkeld and brother to Edmund of Scotland.
• F. None of above. chosen