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: John Erskine, Earl of Buchan | Statement: [Earl of Buchan, titleHolder, John Erskine, Earl of Buchan]

Target entity: John Erskine, Earl of Buchan
Context triple: [Earl of Buchan, titleHolder, John Erskine, Earl of Buchan]

• A. James Douglas, Earl of Buchan
  James Douglas, Earl of Buchan, was a 15th-century Scottish nobleman and member of the powerful Douglas family who held the earldom of Buchan during the turbulent late medieval period in Scotland.
• B. Erskine Earls of Buchan chosen
  The Erskine Earls of Buchan were a prominent Scottish noble family who held the historic earldom of Buchan and played significant roles in the political and social life of Scotland.
• C. John Erskine, Earl of Mar
  John Erskine, Earl of Mar, was a 16th-century Scottish nobleman and regent who played a key role in the political and religious conflicts of Scotland during the reigns of Mary, Queen of Scots, and James VI.
• D. John Erskine, Earl of Mar
  John Erskine, Earl of Mar, was a prominent Scottish nobleman and politician best known for initiating and commanding the Jacobite rising of 1715 in an effort to restore the Stuart monarchy.
• E. John Stewart, Earl of Buchan
  John Stewart, Earl of Buchan, was a prominent Scottish nobleman and military commander of the early 15th century who notably fought for France during the Hundred Years’ War and was killed at the Battle of Verneuil in 1424.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.