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: Second Bulgarian Empire | Statement: [Bachkovo Monastery, significantPeriod, Second Bulgarian Empire]

Target entity: Second Bulgarian Empire
Context triple: [Bachkovo Monastery, significantPeriod, Second Bulgarian Empire]

• A. Second Bulgarian Empire chosen
  The Second Bulgarian Empire was a medieval Bulgarian state (1185–1396) that emerged after a successful uprising against Byzantine rule and became a major political and cultural power in the Balkans before falling to the Ottoman Empire.
• B. First Bulgarian Empire
  The First Bulgarian Empire was a medieval Balkan state that became a major political and cultural power in Eastern Europe, playing a key role in the spread of Slavic literacy and Orthodox Christianity.
• C. Serbian Empire
  The Serbian Empire was a powerful medieval Balkan state that reached its zenith in the 14th century under Emperor Stefan Dušan, encompassing large parts of the central and southern Balkans.
• D. Old Great Bulgaria
  Old Great Bulgaria was a 7th-century Bulgar state on the Pontic–Caspian steppe that formed an important early political center of the Bulgars before their migration and the establishment of the First Bulgarian Empire.
• E. Empire of Nicaea
  The Empire of Nicaea was a Byzantine Greek successor state founded after the Fourth Crusade that became the principal center of Byzantine resistance and ultimately restored the Byzantine Empire by recapturing Constantinople in 1261.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.