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 Vladimir | Statement: [Yaroslav II of Vladimir, successor, Sviatoslav III of Vladimir]

Target entity: Sviatoslav III of Vladimir
Context triple: [Yaroslav II of Vladimir, successor, Sviatoslav III of Vladimir]

• A. 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'.
• B. Yaroslav II of Vladimir
  Yaroslav II of Vladimir was a 13th-century Grand Prince of Vladimir-Suzdal and a prominent Rus' ruler, best known as the father of the famed military leader and saint Alexander Nevsky.
• C. Sviatopolk I of Kiev
  Sviatopolk I of Kiev was a Grand Prince of Kievan Rus' known for his violent struggle for power and the alleged murder of his half-brothers, earning him the epithet "the Accursed."
• D. Igor Svyatoslavich
  Igor Svyatoslavich was a 12th-century Rus' prince best known as the protagonist of the medieval epic "The Tale of Igor's Campaign," which recounts his ill-fated raid against the Polovtsians.
• E. Sviatopolk II of Kiev
  Sviatopolk II of Kiev was a Grand Prince of Kievan Rus' in the late 11th and early 12th centuries, known for his turbulent reign marked by dynastic struggles and conflicts with neighboring powers.
• 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 Vladimir
Triple: [Yaroslav II of Vladimir, successor, 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'.

Target entity: Sviatoslav III of Vladimir
Target entity description: 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'.

• A. 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'.
• B. Yaroslav II of Vladimir
  Yaroslav II of Vladimir was a 13th-century Grand Prince of Vladimir-Suzdal and a prominent Rus' ruler, best known as the father of the famed military leader and saint Alexander Nevsky.
• C. Sviatopolk I of Kiev
  Sviatopolk I of Kiev was a Grand Prince of Kievan Rus' known for his violent struggle for power and the alleged murder of his half-brothers, earning him the epithet "the Accursed."
• D. Igor Svyatoslavich
  Igor Svyatoslavich was a 12th-century Rus' prince best known as the protagonist of the medieval epic "The Tale of Igor's Campaign," which recounts his ill-fated raid against the Polovtsians.
• E. Sviatopolk II of Kiev
  Sviatopolk II of Kiev was a Grand Prince of Kievan Rus' in the late 11th and early 12th centuries, known for his turbulent reign marked by dynastic struggles and conflicts with neighboring powers.
• F. None of above. chosen