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, 3rd High Steward of Scotland | Statement: [Alan fitz Walter, successor, Walter Stewart, 3rd High Steward of Scotland]

Target entity: Walter Stewart, 3rd High Steward of Scotland
Context triple: [Alan fitz Walter, successor, Walter Stewart, 3rd High Steward of Scotland]

• A. Walter Stewart, 3rd High Steward of Scotland chosen
  Walter Stewart, 3rd High Steward of Scotland was a prominent 13th-century Scottish nobleman and royal official who played a key role in the governance of the kingdom and the early development of the Stewart dynasty.
• B. Walter Stewart, 6th High Steward of Scotland
  Walter Stewart, 6th High Steward of Scotland, was a prominent 14th-century Scottish noble whose lineage and position as High Steward helped lay the foundations for the Stewart (Stuart) royal dynasty.
• 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. Walter Stewart, Earl of Fife
  Walter Stewart, Earl of Fife, was a 14th-century Scottish nobleman and son of King Robert II of Scotland and Elizabeth Mure, who played a role in the complex dynastic politics of the early Stewart monarchy.
• E. Walter Stewart, Earl of Atholl
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.