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: Pereyaslav Agreement | Statement: [government of Tsar Alexis of Russia, significantEvent, Pereyaslav Agreement]

Target entity: Pereyaslav Agreement
Context triple: [government of Tsar Alexis of Russia, significantEvent, Pereyaslav Agreement]

• A. Treaty of Pereyaslav chosen
  The Treaty of Pereyaslav was a 1654 agreement that brought the Cossack Hetmanate under the suzerainty of the Tsardom of Russia, reshaping the political landscape of Eastern Europe.
• B. Treaty of Bila Tserkva (1651)
  The Treaty of Bila Tserkva (1651) was a peace agreement between the Cossack Hetmanate and the Polish–Lithuanian Commonwealth that significantly curtailed Cossack autonomy following early successes in the Khmelnytsky Uprising.
• C. Treaty of Hadiach
  The Treaty of Hadiach was a 1658 agreement that sought to transform the Polish–Lithuanian Commonwealth into a tripartite Polish–Lithuanian–Ruthenian state by granting extensive autonomy and rights to the Cossack Hetmanate and the Ruthenian nobility.
• D. Treaty of Slobodyshche
  The Treaty of Slobodyshche was a 1660 agreement between the Cossack Hetmanate and the Polish–Lithuanian Commonwealth that reversed the pro-Muscovite orientation of the Cossacks and largely nullified the earlier Treaty of Hadiach.
• E. Treaty of Zboriv
  The Treaty of Zboriv was a 1649 agreement between the Polish–Lithuanian Commonwealth and the Cossacks that ended an early phase of the Khmelnytsky Uprising and granted broad autonomy and privileges to the Cossack Hetmanate.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.