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: Convention of London (1840) | Statement: [Second Turco–Egyptian War, significantEvent, Convention of London (1840)]

Target entity: Convention of London (1840)
Context triple: [Second Turco–Egyptian War, significantEvent, Convention of London (1840)]

• A. Treaty of London (1840) chosen
  The Treaty of London (1840) was an international agreement in which major European powers intervened to curb Muhammad Ali of Egypt’s expansion and redefine the political status of Egypt within the Ottoman Empire.
• B. London Protocol of 1852
  The London Protocol of 1852 was an international agreement in which the European great powers recognized the integrity of the Danish monarchy and its succession arrangements, setting the stage for later tensions that led to the Second Schleswig War.
• C. London Convention of 1871
  The London Convention of 1871 was an international agreement that revised key provisions of the Treaty of Paris (1856), notably allowing Russia to remilitarize the Black Sea and reshaping the balance of power in Eastern Europe.
• D. 1839 Treaty of London
  The 1839 Treaty of London was an international agreement guaranteeing Belgian neutrality and territorial integrity, whose violation by Germany in 1914 helped trigger British entry into World War I.
• E. London Straits Convention (1841)
  The London Straits Convention of 1841 was an international agreement in which the major European powers confirmed Ottoman control over the Turkish Straits and closed them to warships of non-Black Sea states in peacetime.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.