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 London 1839 | Statement: [Schlieffen Plan, relatedTo, Treaty of London 1839]

Target entity: Treaty of London 1839
Context triple: [Schlieffen Plan, relatedTo, Treaty of London 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. 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.
• C. 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.
• D. London Protocol of 1830
  The London Protocol of 1830 was an international agreement by the Great Powers that recognized Greece as an independent state following the Greek War of Independence.
• E. Treaty of London (1827)
  The Treaty of London (1827) was an agreement between Britain, France, and Russia to intervene in the Greek War of Independence, ultimately leading to the decisive naval Battle of Navarino and paving the way for an independent Greek state.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.