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: Old Great Bulgar Khanate | Statement: [Old Great Bulgaria, alsoKnownAs, Old Great Bulgar Khanate]

Target entity: Old Great Bulgar Khanate
Context triple: [Old Great Bulgaria, alsoKnownAs, Old Great Bulgar Khanate]

• A. Khazar Khaganate
  The Khazar Khaganate was a powerful medieval Turkic polity that controlled key trade routes between Europe and Asia and is notable for its ruling elite’s conversion to Judaism.
• B. Second Bulgarian Empire
  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.
• C. Avar Khaganate
  The Avar Khaganate was a powerful early medieval nomadic empire of Eurasian steppe origin that dominated much of the Carpathian Basin and Central Europe between the 6th and 9th centuries.
• D. Oghuz Yabgu State
  The Oghuz Yabgu State was a medieval Turkic tribal confederation in Central Asia that played a key role in the ethnogenesis and early political organization of the Oghuz Turks, including the ancestors of the Turkmens.
• E. Kipchak Khanate
  The Kipchak Khanate, better known as the Golden Horde, was a Mongol-ruled khanate that dominated much of the Eurasian steppe and exerted significant influence over medieval Rus' and Eastern Europe.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Entity: Old Great Bulgar Khanate
Triple: [Old Great Bulgaria, alsoKnownAs, Old Great Bulgar Khanate]

Old Great Bulgar Khanate was a 7th-century nomadic Bulgar state in the Pontic–Caspian steppe that served as an important precursor to both the Volga Bulgar and First Bulgarian Empires.

Target entity: Old Great Bulgar Khanate
Target entity description: Old Great Bulgar Khanate was a 7th-century nomadic Bulgar state in the Pontic–Caspian steppe that served as an important precursor to both the Volga Bulgar and First Bulgarian Empires.

• A. Khazar Khaganate
  The Khazar Khaganate was a powerful medieval Turkic polity that controlled key trade routes between Europe and Asia and is notable for its ruling elite’s conversion to Judaism.
• B. Second Bulgarian Empire
  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.
• C. Avar Khaganate
  The Avar Khaganate was a powerful early medieval nomadic empire of Eurasian steppe origin that dominated much of the Carpathian Basin and Central Europe between the 6th and 9th centuries.
• D. Oghuz Yabgu State
  The Oghuz Yabgu State was a medieval Turkic tribal confederation in Central Asia that played a key role in the ethnogenesis and early political organization of the Oghuz Turks, including the ancestors of the Turkmens.
• E. Kipchak Khanate
  The Kipchak Khanate, better known as the Golden Horde, was a Mongol-ruled khanate that dominated much of the Eurasian steppe and exerted significant influence over medieval Rus' and Eastern Europe.
• F. None of above. chosen