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: Prague Spring reforms | Statement: [Warsaw Pact invasion of Czechoslovakia, precededBy, Prague Spring reforms]

Target entity: Prague Spring reforms
Context triple: [Warsaw Pact invasion of Czechoslovakia, precededBy, Prague Spring reforms]

• A. Prague Spring chosen
  Prague Spring was a brief period of political liberalization and reform in communist Czechoslovakia in 1968 that was ultimately crushed by a Soviet-led invasion.
• B. Czechoslovak coup d’état of 1948
  The Czechoslovak coup d’état of 1948 was a Communist Party–led takeover that ended multiparty democracy in Czechoslovakia and established a pro-Soviet communist regime at the start of the Cold War.
• C. Charter 77 movement
  The Charter 77 movement was a Czechoslovak human rights initiative formed in 1977 that united dissidents, intellectuals, and artists in publicly challenging the communist regime’s violations of civil and political freedoms.
• D. Revolutions of 1989
  The Revolutions of 1989 were a wave of largely peaceful uprisings that led to the collapse of communist regimes across Central and Eastern Europe and marked the end of the Cold War era.
• E. Warsaw Pact invasion of Czechoslovakia
  The Warsaw Pact invasion of Czechoslovakia was a 1968 military intervention by Soviet-led Eastern Bloc forces that crushed the liberalizing Prague Spring reforms and reasserted hardline communist control.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.