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: Yaroslav II of Vladimir | Statement: [Alexander Nevsky, father, Yaroslav II of Vladimir]

Target entity: Yaroslav II of Vladimir
Context triple: [Alexander Nevsky, father, Yaroslav II of Vladimir]

• A. Vsevolod I of Kiev
  Vsevolod I of Kiev was an 11th-century Grand Prince of Kiev known for consolidating Kievan Rus' power and fostering close political and cultural ties with the Byzantine Empire.
• B. Vladimir II Monomakh
  Vladimir II Monomakh was a Grand Prince of Kievan Rus' renowned for his military leadership, efforts to unify the realm, and authorship of the moral treatise "Instruction."
• C. 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.
• D. Yaroslav the Wise
  Yaroslav the Wise was an 11th-century Grand Prince of Kiev renowned for consolidating Kievan Rus, promoting Christianity and legal reform, and fostering cultural and diplomatic ties across Europe.
• E. Grand Prince of Vladimir
  The Grand Prince of Vladimir was a medieval Russian sovereign title signifying the leading ruler among the Rus principalities and a precursor to the centralized authority of the Russian tsars.
• 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: Yaroslav II of Vladimir
Triple: [Alexander Nevsky, father, 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.

Target entity: Yaroslav II of Vladimir
Target entity description: 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.

• A. Vsevolod I of Kiev
  Vsevolod I of Kiev was an 11th-century Grand Prince of Kiev known for consolidating Kievan Rus' power and fostering close political and cultural ties with the Byzantine Empire.
• B. Vladimir II Monomakh
  Vladimir II Monomakh was a Grand Prince of Kievan Rus' renowned for his military leadership, efforts to unify the realm, and authorship of the moral treatise "Instruction."
• C. 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.
• D. Yaroslav the Wise
  Yaroslav the Wise was an 11th-century Grand Prince of Kiev renowned for consolidating Kievan Rus, promoting Christianity and legal reform, and fostering cultural and diplomatic ties across Europe.
• E. Grand Prince of Vladimir
  The Grand Prince of Vladimir was a medieval Russian sovereign title signifying the leading ruler among the Rus principalities and a precursor to the centralized authority of the Russian tsars.
• F. None of above. chosen