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: Walter Stewart, Earl of Atholl | Statement: [Euphemia de Ross, child, Walter Stewart, Earl of Atholl]

Target entity: Walter Stewart, Earl of Atholl
Context triple: [Euphemia de Ross, child, Walter Stewart, Earl of Atholl]

• A. Walter Stewart, Earl of Atholl chosen
  Walter Stewart, Earl of Atholl, was a Scottish nobleman who played a leading role in the conspiracy that resulted in the assassination of King James I of Scotland in 1437.
• B. Alexander Stewart, Earl of Buchan
  Alexander Stewart, Earl of Buchan—known as the "Wolf of Badenoch"—was a notoriously lawless 14th-century Scottish nobleman and son of King Robert II, infamous for his brutal raids and destruction in the Highlands.
• C. Walter Bailloch Stewart
  Walter Bailloch Stewart was a 13th-century Scottish nobleman of the Stewart family who held the earldom of Menteith through marriage and played a role in the turbulent politics of medieval Scotland.
• D. Patrick Graham, Earl of Menteith
  Patrick Graham, Earl of Menteith, was a Scottish nobleman and member of the influential Graham family who held the historic earldom of Menteith in the late medieval period.
• E. Walter Comyn, Earl of Menteith
  Walter Comyn, Earl of Menteith, was a powerful 13th-century Scottish noble and political figure who played a major role in the kingdom’s affairs during the reign of Alexander II.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.