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 System | Statement: [post-Napoleonic era, hasKeyEvent, Congress System]

Target entity: Congress System
Context triple: [post-Napoleonic era, hasKeyEvent, Congress System]

• A. Congress System chosen
  The Congress System was a 19th-century diplomatic framework in which the major European powers held periodic conferences to maintain the balance of power and preserve peace after the Napoleonic Wars.
• B. Congressional Government
  Congressional Government is a political science book by Woodrow Wilson that critically analyzes the structure and functioning of the United States Congress and its dominance in the American constitutional system.
• C. The Legislative System
  "The Legislative System" is a seminal political science work by Heinz Eulau that analyzes how legislatures are structured, how they function, and how they interact with broader political and social systems.
• D. United States federal system
  The United States federal system is a constitutional framework in which power is divided and shared between a national government and individual states, each with its own authority and responsibilities.
• E. Federal Assembly
  The Federal Assembly was the central representative and deliberative body of the 19th-century German Confederation, where the member states’ delegates met to coordinate common policies and resolve inter-state matters.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.