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: Treaty of Berlin (1878) | Statement: [Serbo-Bulgarian War, relatedTo, Treaty of Berlin (1878)]

Target entity: Treaty of Berlin (1878)
Context triple: [Serbo-Bulgarian War, relatedTo, Treaty of Berlin (1878)]

• A. Treaty of Berlin 1878 chosen
  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.
• B. Treaty of Bucharest (1886)
  The Treaty of Bucharest (1886) was the peace agreement that ended the Serbo-Bulgarian War, confirming Bulgaria’s military success and largely preserving its prewar borders.
• C. Treaty of Bucharest (1913)
  The Treaty of Bucharest (1913) was the peace agreement that ended the Second Balkan War, redrawing the borders of southeastern Europe and significantly altering the territorial balance among the Balkan states.
• D. Treaty of Constantinople (1913)
  The Treaty of Constantinople (1913) was a peace agreement between the Ottoman Empire and Bulgaria that concluded their hostilities in the Second Balkan War and redrew borders in Thrace.
• E. Treaty of Saint Petersburg 1875
  The Treaty of Saint Petersburg (1875) was an agreement between the Russian Empire and Japan in which Russia ceded its claims to the Kuril Islands to Japan in exchange for full sovereignty over Sakhalin.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.