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: Margaret Graham, Countess of Menteith | Statement: [Murdoch Stewart, Duke of Albany, mother, Margaret Graham, Countess of Menteith]

Target entity: Margaret Graham, Countess of Menteith
Context triple: [Murdoch Stewart, Duke of Albany, mother, Margaret Graham, Countess of Menteith]

• A. Margaret Graham, Countess of Menteith chosen
  Margaret Graham, Countess of Menteith, was a 14th-century Scottish noblewoman and heiress whose marriage to Robert Stewart, later Duke of Albany, helped consolidate Stewart influence and control over key Scottish earldoms.
• B. 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.
• C. Margaret Stewart, Countess of Mar
  Margaret Stewart, Countess of Mar, was a 14th-century Scottish noblewoman who held the ancient earldom of Mar in her own right and played a notable role in the politics of medieval Scotland.
• D. 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.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.