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 Mar | Statement: [Marian civil war, hasOpposingLeader, John Erskine, Earl of Mar]

Target entity: John Erskine, Earl of Mar
Context triple: [Marian civil war, hasOpposingLeader, John Erskine, Earl of Mar]

• A. 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.
• B. John Stewart, Earl of Mar
  John Stewart, Earl of Mar, was a 15th-century Scottish nobleman and royal prince, notable as a younger son of King James II of Scotland and a member of the influential Stewart dynasty.
• C. Alexander Stewart, Earl of Mar and Moray
  Alexander Stewart, Earl of Mar and Moray, was a powerful 15th-century Scottish nobleman and military leader known for his influential role in Highland politics and his controversial seizure of the Earldom of Mar.
• D. James Douglas, 2nd Earl of Angus
  James Douglas, 2nd Earl of Angus was a prominent late 15th-century Scottish nobleman and magnate who played a significant role in the politics of the Douglas family and the Scottish crown.
• E. George Douglas, 1st Earl of Angus
  George Douglas, 1st Earl of Angus, was a prominent 15th-century Scottish nobleman whose marriage into the Douglas family founded the influential “Red Douglas” line.
• 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: John Erskine, Earl of Mar
Triple: [Marian civil war, hasOpposingLeader, 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.

Target entity: John Erskine, Earl of Mar
Target entity description: 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.

• A. 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.
• B. John Stewart, Earl of Mar
  John Stewart, Earl of Mar, was a 15th-century Scottish nobleman and royal prince, notable as a younger son of King James II of Scotland and a member of the influential Stewart dynasty.
• C. Alexander Stewart, Earl of Mar and Moray
  Alexander Stewart, Earl of Mar and Moray, was a powerful 15th-century Scottish nobleman and military leader known for his influential role in Highland politics and his controversial seizure of the Earldom of Mar.
• D. James Douglas, 2nd Earl of Angus
  James Douglas, 2nd Earl of Angus was a prominent late 15th-century Scottish nobleman and magnate who played a significant role in the politics of the Douglas family and the Scottish crown.
• E. George Douglas, 1st Earl of Angus
  George Douglas, 1st Earl of Angus, was a prominent 15th-century Scottish nobleman whose marriage into the Douglas family founded the influential “Red Douglas” line.
• F. None of above. chosen