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: Congress of Berlin (1878) | Statement: [Prince Alexander Gorchakov, notableEvent, Congress of Berlin (1878)]

Target entity: Congress of Berlin (1878)
Context triple: [Prince Alexander Gorchakov, notableEvent, Congress of Berlin (1878)]

• A. Congress of Berlin chosen
  The Congress of Berlin was an 1878 diplomatic meeting of the great European powers that redrew the map of the Balkans and revised the Treaty of San Stefano following the Russo-Turkish War.
• B. Crimean Conference
  The Crimean Conference, commonly known as the Yalta Conference, was a pivotal 1945 World War II meeting where Roosevelt, Churchill, and Stalin negotiated the postwar reorganization of Europe.
• 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. Constantinople Conference (1876–1877)
  The Constantinople Conference (1876–1877) was an international diplomatic meeting of the Great Powers convened in the Ottoman capital to address the Eastern Question and propose reforms in the Balkans following uprisings and Ottoman atrocities, particularly in Bulgaria.
• E. Belgrade Conference
  The Belgrade Conference was the 1961 gathering of leaders from newly independent and developing countries that launched the Non-Aligned Movement during the Cold War.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.