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: [James I of Scotland, assassinatedBy, Walter Stewart, Earl of Atholl]

Target entity: Walter Stewart, Earl of Atholl
Context triple: [James I of Scotland, assassinatedBy, Walter Stewart, Earl of Atholl]

• A. 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.
• B. John Stewart, Earl of Carrick
  John Stewart, Earl of Carrick, was the eldest son and heir apparent of King Robert II of Scotland who later reigned as King Robert III.
• C. 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.
• D. James Douglas, 9th Earl of Douglas
  James Douglas, 9th Earl of Douglas, was a powerful 15th-century Scottish noble whose rebellion against King James II led to the downfall and forfeiture of the once-dominant Black Douglas family.
• E. James Douglas, 7th Earl of Douglas
  James Douglas, 7th Earl of Douglas, was a powerful 15th-century Scottish nobleman and magnate whose conflict with King James II led to his murder and the downfall of the Black Douglas family.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Walter Stewart, Earl of Atholl
Triple: [James I of Scotland, assassinatedBy, 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.

Target entity: Walter Stewart, Earl of Atholl
Target entity description: 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.

• A. 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.
• B. John Stewart, Earl of Carrick
  John Stewart, Earl of Carrick, was the eldest son and heir apparent of King Robert II of Scotland who later reigned as King Robert III.
• C. 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.
• D. James Douglas, 9th Earl of Douglas
  James Douglas, 9th Earl of Douglas, was a powerful 15th-century Scottish noble whose rebellion against King James II led to the downfall and forfeiture of the once-dominant Black Douglas family.
• E. James Douglas, 7th Earl of Douglas
  James Douglas, 7th Earl of Douglas, was a powerful 15th-century Scottish nobleman and magnate whose conflict with King James II led to his murder and the downfall of the Black Douglas family.
• F. None of above. chosen