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: Morcar, Earl of Northumbria | Statement: [Ealdgyth of Mercia, sibling, Morcar, Earl of Northumbria]

Target entity: Morcar, Earl of Northumbria
Context triple: [Ealdgyth of Mercia, sibling, Morcar, Earl of Northumbria]

• A. Waltheof, Earl of Northumbria
  Waltheof, Earl of Northumbria, was an 11th-century Anglo-Saxon nobleman and the last English earl to be executed by William the Conqueror after participating in resistance against Norman rule.
• B. Waltheof of Melrose
  Waltheof of Melrose was a 12th-century Anglo-Scottish nobleman who became abbot of Melrose Abbey and was venerated for his piety and leadership within the Cistercian order.
• C. Hereward
  Hereward is the motto of No. 2 Group RAF, evoking the spirit of the Anglo-Saxon rebel leader Hereward the Wake as a symbol of courage and resistance.
• D. Ælfwine of Deira
  Ælfwine of Deira was a 7th-century Northumbrian prince and sub-king of Deira who died at a young age in the Battle of the Trent in 679.
• E. Ecgfrith of Northumbria
  Ecgfrith of Northumbria was a 7th-century king of the Anglo-Saxon kingdom of Northumbria, noted for his military campaigns and his death in battle against the Picts.
• 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: Morcar, Earl of Northumbria
Triple: [Ealdgyth of Mercia, sibling, Morcar, Earl of Northumbria]

Morcar, Earl of Northumbria, was an 11th-century Anglo-Saxon nobleman who played a key role in the turbulent politics surrounding the Norman Conquest of England.

Target entity: Morcar, Earl of Northumbria
Target entity description: Morcar, Earl of Northumbria, was an 11th-century Anglo-Saxon nobleman who played a key role in the turbulent politics surrounding the Norman Conquest of England.

• A. Waltheof, Earl of Northumbria
  Waltheof, Earl of Northumbria, was an 11th-century Anglo-Saxon nobleman and the last English earl to be executed by William the Conqueror after participating in resistance against Norman rule.
• B. Waltheof of Melrose
  Waltheof of Melrose was a 12th-century Anglo-Scottish nobleman who became abbot of Melrose Abbey and was venerated for his piety and leadership within the Cistercian order.
• C. Hereward
  Hereward is the motto of No. 2 Group RAF, evoking the spirit of the Anglo-Saxon rebel leader Hereward the Wake as a symbol of courage and resistance.
• D. Ælfwine of Deira
  Ælfwine of Deira was a 7th-century Northumbrian prince and sub-king of Deira who died at a young age in the Battle of the Trent in 679.
• E. Ecgfrith of Northumbria
  Ecgfrith of Northumbria was a 7th-century king of the Anglo-Saxon kingdom of Northumbria, noted for his military campaigns and his death in battle against the Picts.
• F. None of above. chosen