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 era | Statement: [Treaty of Ghent, negotiatedDuring, Congress of Vienna era]

Target entity: Congress of Vienna era
Context triple: [Treaty of Ghent, negotiatedDuring, Congress of Vienna era]

• 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. The National Era
  The National Era was a 19th-century American abolitionist newspaper best known as the original serial publisher of Harriet Beecher Stowe's "Uncle Tom's Cabin."
• C. Congress of Vienna chosen
  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. Second Constitutional Era
  The Second Constitutional Era was a period of restored constitutional monarchy and parliamentary governance in the Ottoman Empire beginning in 1908, marked by political liberalization, party politics, and significant social and intellectual ferment.
• E. Biedermeier
  Biedermeier was a Central European cultural and artistic style of the early 19th century characterized by middle-class domesticity, simplicity, and restrained elegance in art, furniture, and interior design.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.