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' princely hierarchy | Statement: [Vyacheslav Yaroslavich, partOf, Kievan Rus' princely hierarchy]

Target entity: Kievan Rus' princely hierarchy
Context triple: [Vyacheslav Yaroslavich, partOf, Kievan Rus' princely hierarchy]

• A. Kievan princely ideology
  Kievan princely ideology was the medieval political and moral doctrine that defined the ideals, responsibilities, and Christian legitimacy of princely rule in Kievan Rus’.
• B. Of the Russe Common Wealth
  "Of the Russe Common Wealth" is a late 16th-century account by Giles Fletcher the Elder that describes the government, society, and customs of Muscovy (Russia) during the reign of Ivan the Terrible.
• C. princely court of Kiev
  The princely court of Kiev was the central political and administrative institution of Kievan Rus', where the grand prince and his retinue governed, dispensed justice, and managed state affairs.
• D. Rurikid principalities
  Rurikid principalities were medieval East Slavic states ruled by the Rurikid dynasty, encompassing various regional realms that emerged from the fragmentation of Kievan Rus'.
• E. Princes of Terebovlia
  The Princes of Terebovlia were medieval Ruthenian rulers of the Terebovlia principality, one of the early East Slavic polities that later contributed to the formation of the Principality of Halych.
• 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' princely hierarchy
Triple: [Vyacheslav Yaroslavich, partOf, Kievan Rus' princely hierarchy]

Kievan Rus' princely hierarchy was the complex system of dynastic ranks and appanage principalities that structured political authority and succession among the Rurikid princes in medieval Eastern Europe.

Target entity: Kievan Rus' princely hierarchy
Target entity description: Kievan Rus' princely hierarchy was the complex system of dynastic ranks and appanage principalities that structured political authority and succession among the Rurikid princes in medieval Eastern Europe.

• A. Kievan princely ideology
  Kievan princely ideology was the medieval political and moral doctrine that defined the ideals, responsibilities, and Christian legitimacy of princely rule in Kievan Rus’.
• B. Of the Russe Common Wealth
  "Of the Russe Common Wealth" is a late 16th-century account by Giles Fletcher the Elder that describes the government, society, and customs of Muscovy (Russia) during the reign of Ivan the Terrible.
• C. princely court of Kiev
  The princely court of Kiev was the central political and administrative institution of Kievan Rus', where the grand prince and his retinue governed, dispensed justice, and managed state affairs.
• D. Rurikid principalities chosen
  Rurikid principalities were medieval East Slavic states ruled by the Rurikid dynasty, encompassing various regional realms that emerged from the fragmentation of Kievan Rus'.
• E. Princes of Terebovlia
  The Princes of Terebovlia were medieval Ruthenian rulers of the Terebovlia principality, one of the early East Slavic polities that later contributed to the formation of the Principality of Halych.
• F. None of above.