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: Great Powers at the Congress of Berlin | Statement: [War of Independence (1877–1878), recognizedBy, Great Powers at the Congress of Berlin]

Target entity: Great Powers at the Congress of Berlin
Context triple: [War of Independence (1877–1878), recognizedBy, Great Powers at the 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. 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.
• C. 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.
• D. 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.
• E. Balance of Power
  "Balance of Power" is a political book by former U.S. House Speaker Jim Wright that reflects his views and experiences in American government and legislative leadership.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.