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 Troppau | Statement: [Karl Nesselrode, participatedIn, Congress of Troppau]

Target entity: Congress of Troppau
Context triple: [Karl Nesselrode, participatedIn, Congress of Troppau]

• A. Troppau Conference 1820 chosen
  The Troppau Conference of 1820 was a meeting of the major conservative powers of Europe, led by figures like Klemens von Metternich, to coordinate a reactionary response to revolutionary movements and uphold the post-Napoleonic order.
• B. 1335 Visegrád Congress
  The 1335 Visegrád Congress was a diplomatic summit of Central European monarchs where they forged political and economic alliances that reshaped regional power dynamics in the late Middle Ages.
• C. Laibach Congress 1821
  The Laibach Congress of 1821 was a meeting of the Holy Alliance powers in the city of Laibach (now Ljubljana) to coordinate conservative intervention against revolutionary movements in Europe.
• D. Genoa Conference
  The Genoa Conference was a 1922 international economic and financial meeting in Genoa, Italy, where European powers sought to address post–World War I reconstruction and relations with Soviet Russia.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.