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: Iziaslav I of Kiev | Statement: [Yaroslav the Wise, child, Iziaslav I of Kiev]

Target entity: Iziaslav I of Kiev
Context triple: [Yaroslav the Wise, child, Iziaslav I of Kiev]

• 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. Sviatoslav Olgovich
  Sviatoslav Olgovich was a 12th-century prince from the Olgovichi branch of the Rurikid dynasty who ruled in parts of Kievan Rus' and took part in its dynastic conflicts.
• C. Sviatoslavichi of Chernigov
  The Sviatoslavichi of Chernigov were a medieval Rurikid princely lineage that ruled the Principality of Chernigov and played a major role in the politics of Kievan Rus'.
• D. Mstislav Danylovych
  Mstislav Danylovych was a medieval Ruthenian prince from the ruling dynasty of the Kingdom of Galicia–Volhynia, known primarily as a son of King Danylo of Halych.
• E. 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."
• 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: Iziaslav I of Kiev
Triple: [Yaroslav the Wise, child, Iziaslav I of Kiev]

Iziaslav I of Kiev was an 11th-century Grand Prince of Kiev from the Rurikid dynasty, known for his turbulent reign marked by internal strife and shifting alliances with neighboring powers.

Target entity: Iziaslav I of Kiev
Target entity description: Iziaslav I of Kiev was an 11th-century Grand Prince of Kiev from the Rurikid dynasty, known for his turbulent reign marked by internal strife and shifting alliances with neighboring powers.

• 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. Sviatoslav Olgovich
  Sviatoslav Olgovich was a 12th-century prince from the Olgovichi branch of the Rurikid dynasty who ruled in parts of Kievan Rus' and took part in its dynastic conflicts.
• C. Sviatoslavichi of Chernigov
  The Sviatoslavichi of Chernigov were a medieval Rurikid princely lineage that ruled the Principality of Chernigov and played a major role in the politics of Kievan Rus'.
• D. Mstislav Danylovych
  Mstislav Danylovych was a medieval Ruthenian prince from the ruling dynasty of the Kingdom of Galicia–Volhynia, known primarily as a son of King Danylo of Halych.
• E. 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."
• F. None of above. chosen