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 | Statement: [Duke of Prussia, vassalageEndedBy, Treaty of Bromberg]

Target entity: Treaty of Bromberg
Context triple: [Duke of Prussia, vassalageEndedBy, Treaty of Bromberg]

• 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 Breslau
  The Treaty of Breslau was a 1742 agreement between Prussia and Austria that ended the First Silesian War and ceded most of Silesia to Prussia.
• C. Treaty of Warsaw
  The Treaty of Warsaw, formally known as the Treaty of Friendship, Cooperation and Mutual Assistance, was the 1955 founding pact of the Warsaw Pact, a Soviet-led military alliance of Eastern Bloc countries during the Cold War.
• D. 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.
• E. Treaty of Thorn (1709)
  The Treaty of Thorn (1709) was an agreement concluded during the Great Northern War that formalized the renewed alliance between Russia and Poland-Lithuania against Sweden following the Russian victory at Poltava.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.