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: Convention of 1839 | Statement: [Treaty of London (1839), alsoKnownAs, Convention of 1839]

Target entity: Convention of 1839
Context triple: [Treaty of London (1839), alsoKnownAs, Convention of 1839]

• A. Treaty of London (1839) chosen
  The Treaty of London (1839) was an international agreement that recognized Belgium’s independence and guaranteed its neutrality, shaping the political boundaries of Western Europe.
• 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. Treaty of Berlin 1878
  The Treaty of Berlin of 1878 was an international agreement that revised the Treaty of San Stefano and restructured the Balkans after the Russo-Turkish War, redefining borders and the status of several states in Southeast Europe.
• 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. Montreux Convention Regarding the Regime of the Straits
  The Montreux Convention Regarding the Regime of the Straits is a 1936 international agreement that grants Turkey control over the Bosporus and Dardanelles and regulates the passage of naval warships between the Black Sea and the Mediterranean.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.