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 Vienna period | Statement: [Franz I of Austria, era, Congress of Vienna period]

Target entity: Congress of Vienna period
Context triple: [Franz I of Austria, era, Congress of Vienna period]

• A. Napoleonic era
  The Napoleonic era was the period of European history dominated by Napoleon Bonaparte’s rise, rule, and wars from the late 1790s to his defeat in 1815, marked by sweeping political, military, and legal transformations across the continent.
• B. Wilhelmine era
  The Wilhelmine era was the period of German history under Emperor Wilhelm II (1888–1918), marked by rapid industrialization, imperial expansion, and a distinctive bourgeois urban culture and architecture.
• C. 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.
• D. post-Napoleonic era chosen
  The post-Napoleonic era was the early 19th-century period in Europe marked by conservative restoration, diplomatic congresses, and efforts to maintain a balance of power after the defeat of Napoleon.
• E. Versailles system
  The Versailles system was the post–World War I international order established by the Treaty of Versailles and related agreements, designed to reshape Europe’s borders, limit German power, and uphold a fragile collective security framework.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.