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: Kievan Rus military forces | Statement: [Muscovite army, precededBy, Kievan Rus military forces]

Target entity: Kievan Rus military forces
Context triple: [Muscovite army, precededBy, Kievan Rus military forces]

• A. Muscovite army
  The Muscovite army was the military force of the Grand Duchy (and later Tsardom) of Moscow, which formed the core of the early Russian state before its transformation into the Imperial Russian Army.
• B. Kuban Cossack forces
  Kuban Cossack forces were anti-Bolshevik military units from the Kuban region that played a significant role fighting for the White movement during the Russian Civil War.
• C. Pechenegs
  The Pechenegs were a semi-nomadic Turkic people of the medieval Eurasian steppe known for their cavalry warfare and significant role in the politics of Eastern Europe and the Byzantine frontier.
• D. Ural Cossack forces
  The Ural Cossack forces were a regional Cossack military formation from the Ural River area that fought on the anti-Bolshevik side during the Russian Civil War.
• E. Don Cossack forces
  Don Cossack forces were anti-Bolshevik Cossack military units from the Don region that played a major role fighting for the Whites during the Russian Civil War.
• 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: Kievan Rus military forces
Triple: [Muscovite army, precededBy, Kievan Rus military forces]

Kievan Rus military forces were the medieval armed forces of the East Slavic state of Kievan Rus, composed mainly of princely retinues and levied warriors who conducted campaigns and defended its territories from the 9th to the 13th centuries.

Target entity: Kievan Rus military forces
Target entity description: Kievan Rus military forces were the medieval armed forces of the East Slavic state of Kievan Rus, composed mainly of princely retinues and levied warriors who conducted campaigns and defended its territories from the 9th to the 13th centuries.

• A. Muscovite army
  The Muscovite army was the military force of the Grand Duchy (and later Tsardom) of Moscow, which formed the core of the early Russian state before its transformation into the Imperial Russian Army.
• B. Kuban Cossack forces
  Kuban Cossack forces were anti-Bolshevik military units from the Kuban region that played a significant role fighting for the White movement during the Russian Civil War.
• C. Pechenegs
  The Pechenegs were a semi-nomadic Turkic people of the medieval Eurasian steppe known for their cavalry warfare and significant role in the politics of Eastern Europe and the Byzantine frontier.
• D. Ural Cossack forces
  The Ural Cossack forces were a regional Cossack military formation from the Ural River area that fought on the anti-Bolshevik side during the Russian Civil War.
• E. Don Cossack forces
  Don Cossack forces were anti-Bolshevik Cossack military units from the Don region that played a major role fighting for the Whites during the Russian Civil War.
• F. None of above. chosen