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: Madrid Convention of 1880 | Statement: [Treaty of Madrid (1880), alsoKnownAs, Madrid Convention of 1880]

Target entity: Madrid Convention of 1880
Context triple: [Treaty of Madrid (1880), alsoKnownAs, Madrid Convention of 1880]

• A. Ocaña Convention
  The Ocaña Convention was an 1828 constitutional assembly in Gran Colombia convened to reform the nation's charter, whose failure deepened political divisions and contributed to the republic’s eventual dissolution.
• B. Constantinople Convention of 1888
  The Constantinople Convention of 1888 was an international treaty that guaranteed the neutrality and free passage of ships through the Suez Canal in both peace and wartime under the supervision of major European powers.
• C. Algeciras Conference
  The Algeciras Conference was a 1906 international meeting of European powers and the United States that attempted to resolve the First Moroccan Crisis and regulate French and Spanish influence in Morocco.
• D. London Convention of 1871
  The London Convention of 1871 was an international agreement that revised key provisions of the Treaty of Paris (1856), notably allowing Russia to remilitarize the Black Sea and reshaping the balance of power in Eastern Europe.
• E. Treaty of Madrid (1880) chosen
  The Treaty of Madrid (1880) was an international agreement that revised the legal and commercial status of foreign nationals in Morocco, expanding European powers’ extraterritorial privileges and influence there.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.