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: Duchy of Estonia | Statement: [Bishopric of Ösel–Wiek, borderedBy, Duchy of Estonia]

Target entity: Duchy of Estonia
Context triple: [Bishopric of Ösel–Wiek, borderedBy, Duchy of Estonia]

• A. Duchy of Estonia chosen
  The Duchy of Estonia was a medieval feudal territory in Northern Europe, centered on the city of Reval (modern-day Tallinn) and historically contested by regional powers such as Denmark, the Teutonic Order, and later Sweden.
• B. Duchy of Livonia
  The Duchy of Livonia was a 16th–17th century territory in the eastern Baltic region, largely under Polish-Lithuanian control, that served as a political predecessor to later Swedish rule in Livonia.
• C. Kingdom of Livonia
  The Kingdom of Livonia was a short-lived 16th-century client state in the eastern Baltic region, established under Polish-Lithuanian influence during the Livonian War after the collapse of the Livonian Confederation.
• D. Duchy of Courland and Semigallia
  The Duchy of Courland and Semigallia was a Baltic duchy and vassal state of the Polish–Lithuanian Commonwealth, notable for its relative prosperity, German-influenced nobility, and brief colonial ventures in the 17th century.
• E. Principality of Rylsk
  The Principality of Rylsk was a medieval East Slavic principality centered on the town of Rylsk, historically associated with the Olgovichi dynasty of Chernigov.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.