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 | Statement: [Treaty of Berlin (1878), concludedAt, Congress of Berlin]

Target entity: Congress of Berlin
Context triple: [Treaty of Berlin (1878), concludedAt, Congress of Berlin]

• 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. Congress of Vienna
  The Congress of Vienna was an international diplomatic conference held in 1814–1815 that redrew the map of Europe and established a balance-of-power system after the defeat of Napoleon.
• D. Berlin Conference
  The Berlin Conference was an 1884–1885 meeting of European powers in Berlin that formalized the partition of Africa and set the rules for colonial expansion on the continent.
• E. Second Hague Peace Conference
  The Second Hague Peace Conference was a major 1907 international gathering of states aimed at expanding and codifying laws of war and mechanisms for peaceful dispute resolution, forming a cornerstone of modern international humanitarian law.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.