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: Roger Mortimer, 1st Earl of March | Statement: [Margaret Mortimer, father, Roger Mortimer, 1st Earl of March]

Target entity: Roger Mortimer, 1st Earl of March
Context triple: [Margaret Mortimer, father, Roger Mortimer, 1st Earl of March]

• A. Roger Mortimer, 1st Earl of March chosen
  Roger Mortimer, 1st Earl of March, was a powerful 14th-century English nobleman who led the rebellion against King Edward II and effectively ruled England during the early reign of Edward III before being overthrown and executed.
• B. Roger Mortimer (2nd Earl of March)
  Roger Mortimer, 2nd Earl of March, was a prominent 14th-century English nobleman and Marcher lord who played a key role in the politics of the reign of Richard II before dying young in 1398.
• C. Roger Mortimer, 4th Earl of March
  Roger Mortimer, 4th Earl of March was a prominent late 14th-century English nobleman and heir presumptive to King Richard II, whose lineage played a key role in the Yorkist claim to the English throne.
• D. Roger Mortimer of Wigmore
  Roger Mortimer of Wigmore was a powerful 13th–14th century English Marcher lord and military commander, notable as the father of Roger Mortimer, 1st Earl of March, and a key figure in the politics of the Welsh borderlands.
• E. Ralph de Mortimer
  Ralph de Mortimer was a prominent Anglo-Norman nobleman and marcher lord who played a key role in consolidating his family's power along the turbulent English–Welsh border in the 11th–12th centuries.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.