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: Mary Stewart, Countess of Angus | Statement: [Robert III of Scotland, child, Mary Stewart, Countess of Angus]

Target entity: Mary Stewart, Countess of Angus
Context triple: [Robert III of Scotland, child, Mary Stewart, Countess of Angus]

• A. Marjorie, Countess of Carrick
  Marjorie, Countess of Carrick, was a 13th-century Scottish noblewoman best known as the mother of King Robert the Bruce and a key figure in the lineage of the Scottish royal house.
• B. Isabella, Countess of Fife
  Isabella, Countess of Fife was a 14th-century Scottish noblewoman who held one of Scotland’s most prestigious earldoms in her own right during a turbulent period of medieval Scottish history.
• C. Margaret Stewart
  Margaret Stewart was a 16th-century Scottish noblewoman best known as the wife of the Protestant reformer John Knox.
• D. Mary Orr
  Mary Orr was an American writer and playwright best known for her short story “The Wisdom of Eve,” which inspired the classic film All About Eve.
• E. Lady Agnew of Lochnaw
  Lady Agnew of Lochnaw is a celebrated 1892 portrait by John Singer Sargent, renowned for its elegant depiction of Gertrude Agnew seated in a silk dress with a relaxed yet penetrating gaze.
• 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: Mary Stewart, Countess of Angus
Triple: [Robert III of Scotland, child, Mary Stewart, Countess of Angus]

Mary Stewart, Countess of Angus, was a medieval Scottish noblewoman and daughter of King Robert III of Scotland who played a role in the dynastic alliances of the Scottish royal family.

Target entity: Mary Stewart, Countess of Angus
Target entity description: Mary Stewart, Countess of Angus, was a medieval Scottish noblewoman and daughter of King Robert III of Scotland who played a role in the dynastic alliances of the Scottish royal family.

• A. Marjorie, Countess of Carrick
  Marjorie, Countess of Carrick, was a 13th-century Scottish noblewoman best known as the mother of King Robert the Bruce and a key figure in the lineage of the Scottish royal house.
• B. Margaret Stewart, Countess of Douglas
  Margaret Stewart, Countess of Douglas, was a 14th-century Scottish noblewoman and royal daughter whose marriage into the powerful Douglas family strengthened the political alliances of the early Stewart monarchy.
• C. Isabella, Countess of Fife
  Isabella, Countess of Fife was a 14th-century Scottish noblewoman who held one of Scotland’s most prestigious earldoms in her own right during a turbulent period of medieval Scottish history.
• D. Margaret Stewart
  Margaret Stewart was a 16th-century Scottish noblewoman best known as the wife of the Protestant reformer John Knox.
• E. Mary Orr
  Mary Orr was an American writer and playwright best known for her short story “The Wisdom of Eve,” which inspired the classic film All About Eve.
• F. None of above. chosen