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: Anglo-Afghan boundary negotiations | Statement: [Mortimer Durand, notableFor, Anglo-Afghan boundary negotiations]

Target entity: Anglo-Afghan boundary negotiations
Context triple: [Mortimer Durand, notableFor, Anglo-Afghan boundary negotiations]

• A. Anglo-Afghan Treaty of 1921
  The Anglo-Afghan Treaty of 1921 was an agreement between the United Kingdom and Afghanistan that reaffirmed Afghan independence, regulated their diplomatic and frontier relations, and updated terms established after the Third Anglo-Afghan War.
• B. Anglo-Russian boundary commission
  The Anglo-Russian boundary commission was a joint British–Russian body established in the late 19th century to survey and formally delimit the frontier between Afghanistan and the Russian Empire in Central Asia.
• C. Treaty of Gandamak
  The Treaty of Gandamak was an 1879 agreement that ended the early phase of the Second Anglo-Afghan War by imposing British control over Afghanistan’s foreign affairs and ceding key frontier territories to the British Empire.
• D. Durand Agreement chosen
  The Durand Agreement is an 1893 treaty between British India and Afghanistan that drew the contentious frontier later known as the Afghanistan–Pakistan border.
• E. Afghan Boundary Commission
  The Afghan Boundary Commission was a late 19th-century Anglo-Russian joint commission established to survey and delimit the northwestern border of Afghanistan, helping define the frontiers of the British and Russian empires in Central Asia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.