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: Treaty of Bromberg of 1657 | Statement: [Potop szwedzki, significantEvent, Treaty of Bromberg of 1657]

Target entity: Treaty of Bromberg of 1657
Context triple: [Potop szwedzki, significantEvent, Treaty of Bromberg of 1657]

• A. Treaty of Bromberg chosen
  The Treaty of Bromberg was a 1657 agreement between the Polish–Lithuanian Commonwealth and Brandenburg-Prussia that granted the Hohenzollerns full sovereignty over the Duchy of Prussia in exchange for military support against Sweden.
• B. Treaty of Königsberg (1656)
  The Treaty of Königsberg (1656) was an agreement during the Second Northern War in which Brandenburg-Prussia aligned with Sweden, shaping the subsequent territorial and political settlements in the region.
• C. Treaty of Kalisch
  The Treaty of Kalisch was an 1813 alliance agreement between Prussia and Russia that marked Prussia’s break with Napoleonic France and helped launch the War of the Sixth Coalition.
• D. Treaty of Kępno
  The Treaty of Kępno was a 1282 political agreement by which Duke Mestwin II of Pomerelia recognized Przemysł II as his heir, paving the way for the reunification of Polish lands under Przemysł’s rule.
• E. Treaty of Warsaw (1705)
  The Treaty of Warsaw (1705) was an agreement during the Great Northern War in which the Polish king Stanisław Leszczyński, backed by Sweden, aligned the Polish–Lithuanian Commonwealth with Swedish interests against Saxony and Russia.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.