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: Onogur tribal union | Statement: [Old Great Bulgar Khanate, precededBy, Onogur tribal union]

Target entity: Onogur tribal union
Context triple: [Old Great Bulgar Khanate, precededBy, Onogur tribal union]

• A. Onogur tribal confederation chosen
  The Onogur tribal confederation was a union of early medieval Turkic-speaking nomadic tribes whose name and political influence helped shape the ethnogenesis and designation of the Bulgars.
• B. Burebasaga Confederacy
  The Burebasaga Confederacy is one of Fiji’s three major traditional chiefly confederacies, encompassing a number of provinces and chiefly clans in the country’s central and southern regions.
• C. Obotrite tribal federation
  The Obotrite tribal federation was a medieval confederation of West Slavic Obotrite tribes in the southern Baltic region that formed an important early political entity before the rise of German feudal states like the Duchy of Mecklenburg.
• D. Kwararafa confederacy
  The Kwararafa confederacy was a powerful precolonial multi-ethnic state in the central Nigerian Middle Belt, historically dominated by the Jukun people and known for its military campaigns against major West African kingdoms.
• E. Koçgiri tribal confederation
  The Koçgiri tribal confederation was a Kurdish Alevi tribal alliance in eastern Anatolia, historically notable for its role in early 20th-century Kurdish nationalist uprisings against the emerging Turkish state.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.