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: Gartnait, Earl of Mar | Statement: [Christina Bruce, spouse, Gartnait, Earl of Mar]

Target entity: Gartnait, Earl of Mar
Context triple: [Christina Bruce, spouse, Gartnait, Earl of Mar]

• A. Domhnall I, Earl of Mar
  Domhnall I, Earl of Mar was a 13th-century Scottish nobleman and magnate who held the earldom of Mar and played a significant role in the politics of medieval Scotland.
• B. John of Islay, Earl of Ross
  John of Islay, Earl of Ross was a powerful 15th-century Scottish noble who united the Earldom of Ross with the Lordship of the Isles, making him one of the most influential magnates in medieval Scotland.
• C. Maclean of Duart
  Maclean of Duart is the principal branch of the Scottish Highland Clan Maclean, historically associated with Duart Castle on the Isle of Mull.
• D. Maclean of Drimnin
  Maclean of Drimnin is a notable cadet branch of the historic Scottish Highland Clan Maclean, traditionally associated with lands around Drimnin on the west coast of Scotland.
• E. Alexander, Earl of Menteith
  Alexander, Earl of Menteith was a medieval Scottish nobleman who held the earldom of Menteith and played a role in the turbulent politics of the Scottish Highlands.
• 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: Gartnait, Earl of Mar
Triple: [Christina Bruce, spouse, Gartnait, Earl of Mar]

Gartnait, Earl of Mar, was a 14th-century Scottish nobleman and regional magnate who played a role in the Wars of Scottish Independence.

Target entity: Gartnait, Earl of Mar
Target entity description: Gartnait, Earl of Mar, was a 14th-century Scottish nobleman and regional magnate who played a role in the Wars of Scottish Independence.

• A. Domhnall I, Earl of Mar
  Domhnall I, Earl of Mar was a 13th-century Scottish nobleman and magnate who held the earldom of Mar and played a significant role in the politics of medieval Scotland.
• B. John of Islay, Earl of Ross
  John of Islay, Earl of Ross was a powerful 15th-century Scottish noble who united the Earldom of Ross with the Lordship of the Isles, making him one of the most influential magnates in medieval Scotland.
• C. Maclean of Duart
  Maclean of Duart is the principal branch of the Scottish Highland Clan Maclean, historically associated with Duart Castle on the Isle of Mull.
• D. Maclean of Drimnin
  Maclean of Drimnin is a notable cadet branch of the historic Scottish Highland Clan Maclean, traditionally associated with lands around Drimnin on the west coast of Scotland.
• E. Alexander, Earl of Menteith
  Alexander, Earl of Menteith was a medieval Scottish nobleman who held the earldom of Menteith and played a role in the turbulent politics of the Scottish Highlands.
• F. None of above. chosen