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: Sviatoslav I of Kiev | Statement: [Rurik dynasty, notableMember, Sviatoslav I of Kiev]

Target entity: Sviatoslav I of Kiev
Context triple: [Rurik dynasty, notableMember, Sviatoslav I of Kiev]

• A. Igor of Kiev
  Igor of Kiev was a 10th-century Grand Prince of Kievan Rus', a member of the Rurik dynasty who ruled from Kiev and continued the consolidation of the early East Slavic state.
• B. Rurik
  Rurik was a Varangian chieftain traditionally regarded as the founder of the Rurik dynasty and the first ruler of the early Russian state centered in Novgorod.
• C. Rurik
  Rurik was a Russian naval vessel best known for serving as the flagship of Otto von Kotzebue’s early 19th-century circumnavigation and exploration voyages in the Pacific and Arctic.
• D. Vladimir
  Vladimir is a common Russian male given name of Slavic origin, historically associated with rulers and notably borne by Russian president Vladimir Putin.
• E. Danylo of Halych
  Danylo of Halych was a 13th-century Ruthenian prince and later king who ruled the Kingdom of Galicia–Volhynia and played a key role in consolidating and defending the southwestern lands of Kievan Rus'.
• 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: Sviatoslav I of Kiev
Triple: [Rurik dynasty, notableMember, Sviatoslav I of Kiev]

Sviatoslav I of Kiev was a 10th-century Grand Prince of Kievan Rus' renowned for his aggressive military campaigns that greatly expanded and reshaped the power of the early East Slavic state.

Target entity: Sviatoslav I of Kiev
Target entity description: Sviatoslav I of Kiev was a 10th-century Grand Prince of Kievan Rus' renowned for his aggressive military campaigns that greatly expanded and reshaped the power of the early East Slavic state.

• A. Igor of Kiev
  Igor of Kiev was a 10th-century Grand Prince of Kievan Rus', a member of the Rurik dynasty who ruled from Kiev and continued the consolidation of the early East Slavic state.
• B. Rurik
  Rurik was a Varangian chieftain traditionally regarded as the founder of the Rurik dynasty and the first ruler of the early Russian state centered in Novgorod.
• C. Rurik
  Rurik was a Russian naval vessel best known for serving as the flagship of Otto von Kotzebue’s early 19th-century circumnavigation and exploration voyages in the Pacific and Arctic.
• D. Vladimir
  Vladimir is a common Russian male given name of Slavic origin, historically associated with rulers and notably borne by Russian president Vladimir Putin.
• E. Danylo of Halych
  Danylo of Halych was a 13th-century Ruthenian prince and later king who ruled the Kingdom of Galicia–Volhynia and played a key role in consolidating and defending the southwestern lands of Kievan Rus'.
• F. None of above. chosen