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: Principality of Serbia | Statement: [Takovo Meeting, locatedIn, Principality of Serbia]

Target entity: Principality of Serbia
Context triple: [Takovo Meeting, locatedIn, Principality of Serbia]

• A. Principality of Serbia chosen
  The Principality of Serbia was a 19th-century Serbian state that emerged from Ottoman suzerainty and laid the foundations for the modern Serbian nation-state.
• B. Principality of Montenegro
  The Principality of Montenegro was a small Balkan state that existed from the mid-19th century until its elevation to a kingdom in 1910, known for its mountainous terrain and resistance to Ottoman rule.
• C. Kingdom of Serbia
  The Kingdom of Serbia was a Balkan monarchy that emerged as an independent state in the 19th century and later became a core constituent of the state that evolved into Yugoslavia.
• D. Duchy of Saint Sava
  The Duchy of Saint Sava was a late medieval South Slavic principality in the western Balkans that formed the historical core of what later became known as Herzegovina.
• E. Grand Principality of Zeta
  The Grand Principality of Zeta was a medieval South Slavic state centered in the region of present-day Montenegro that emerged as a prominent successor to earlier Serbian polities.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.