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: Joan of Scotland, Countess of Morton | Statement: [Annabella Stewart, sibling, Joan of Scotland, Countess of Morton]

Target entity: Joan of Scotland, Countess of Morton
Context triple: [Annabella Stewart, sibling, Joan of Scotland, Countess of Morton]

• A. Joan of Scotland, Countess of Morton chosen
  Joan of Scotland, Countess of Morton, was a 15th-century Scottish princess, daughter of King James I of Scotland, who became Countess of Morton through marriage into the Douglas family.
• B. Margaret Stewart, Princess of Scotland
  Margaret Stewart, Princess of Scotland, was a 15th-century Scottish royal princess of the House of Stewart and daughter of King James II of Scotland.
• C. Margaret Douglas, Fair Maid of Galloway
  Margaret Douglas, known as the Fair Maid of Galloway, was a 15th-century Scottish noblewoman of the powerful Douglas family whose marriages were central to the clan’s political ambitions and succession.
• D. Margaret Stewart of Galloway
  Margaret Stewart of Galloway was a 13th-century Scottish noblewoman of the influential Stewart family and the mother of Marjorie, Countess of Carrick, linking her to the ancestry of Robert the Bruce.
• E. Margaret Stewart, Countess of Angus
  Margaret Stewart, Countess of Angus, was a prominent 15th-century Scottish noblewoman of the Stewart family who held the Angus title in her own right and was the mother of James Douglas, 7th Earl of Douglas.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.