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 III of Kiev | Statement: [Vsevolod II of Kiev, child, Sviatoslav III of Kiev]

Target entity: Sviatoslav III of Kiev
Context triple: [Vsevolod II of Kiev, child, Sviatoslav III of Kiev]

• A. Sviatoslav II of Kiev
  Sviatoslav II of Kiev was an 11th-century Grand Prince of Kievan Rus', known for co-ruling the realm with his brothers and participating in the complex dynastic politics following the death of Yaroslav the Wise.
• B. Vsevolod II of Kiev
  Vsevolod II of Kiev was a 12th-century Grand Prince of Kiev from the Olgovichi branch of the Rurikid dynasty, known for his role in the complex dynastic struggles of Kievan Rus'.
• C. Sviatoslav III of Vladimir
  Sviatoslav III of Vladimir was a 13th-century prince of Vladimir-Suzdal who briefly ruled the Grand Principality of Vladimir during the politically turbulent period following the Mongol invasion of Rus'.
• D. Mstislav II of Kiev
  Mstislav II of Kiev was a 12th-century Grand Prince of Kiev from the Rurikid dynasty, known for his turbulent reign marked by internal strife and shifting political alliances among the Rus' principalities.
• E. 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.
• 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 III of Kiev
Triple: [Vsevolod II of Kiev, child, Sviatoslav III of Kiev]

Sviatoslav III of Kiev was a 12th-century prince of the Rurikid dynasty who ruled as Grand Prince of Kiev during the period of political fragmentation in Kievan Rus'.

Target entity: Sviatoslav III of Kiev
Target entity description: Sviatoslav III of Kiev was a 12th-century prince of the Rurikid dynasty who ruled as Grand Prince of Kiev during the period of political fragmentation in Kievan Rus'.

• A. Sviatoslav II of Kiev
  Sviatoslav II of Kiev was an 11th-century Grand Prince of Kievan Rus', known for co-ruling the realm with his brothers and participating in the complex dynastic politics following the death of Yaroslav the Wise.
• B. Vsevolod II of Kiev
  Vsevolod II of Kiev was a 12th-century Grand Prince of Kiev from the Olgovichi branch of the Rurikid dynasty, known for his role in the complex dynastic struggles of Kievan Rus'.
• C. Sviatoslav III of Vladimir
  Sviatoslav III of Vladimir was a 13th-century prince of Vladimir-Suzdal who briefly ruled the Grand Principality of Vladimir during the politically turbulent period following the Mongol invasion of Rus'.
• D. Mstislav II of Kiev
  Mstislav II of Kiev was a 12th-century Grand Prince of Kiev from the Rurikid dynasty, known for his turbulent reign marked by internal strife and shifting political alliances among the Rus' principalities.
• E. 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.
• F. None of above. chosen