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: Rostislava Mstislavna of Smolensk | Statement: [Yaroslav II of Vladimir, spouse, Rostislava Mstislavna of Smolensk]

Target entity: Rostislava Mstislavna of Smolensk
Context triple: [Yaroslav II of Vladimir, spouse, Rostislava Mstislavna of Smolensk]

• A. Anna Mstislavna of Novgorod
  Anna Mstislavna of Novgorod was a 13th-century Rus' princess from the ruling house of Novgorod who became a prominent dynastic figure through her marriage into the Galician-Volhynian principality and as the mother of King Leo I of Galicia.
• B. Theodosia Igorevna of Ryazan
  Theodosia Igorevna of Ryazan was a 13th-century Rus' noblewoman and princess of Ryazan, best known as the mother of the famed prince and military leader Alexander Nevsky.
• C. Eudoxia of Moscow
  Eudoxia of Moscow was a 14th-century Russian noblewoman and Grand Princess of Moscow, known as the pious wife of Grand Prince Dmitry Donskoy and mother of his heirs.
• D. Olga of Kiev
  Olga of Kiev was a 10th-century regent of Kievan Rus' renowned for her ruthless vengeance against the Drevlians and later venerated as a saint for being one of the first prominent rulers in the region to convert to Christianity.
• E. Maria of Tver
  Maria of Tver was a 14th-century Russian princess from the ruling house of Tver and the first wife of Grand Prince Yuri of Moscow, making her an important dynastic figure in the early history of the Grand Duchy of Moscow.
• 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: Rostislava Mstislavna of Smolensk
Triple: [Yaroslav II of Vladimir, spouse, Rostislava Mstislavna of Smolensk]

Rostislava Mstislavna of Smolensk was a 13th-century Rus' princess from the Smolensk princely house who became Grand Princess consort of Vladimir through her marriage to Grand Prince Yaroslav II.

Target entity: Rostislava Mstislavna of Smolensk
Target entity description: Rostislava Mstislavna of Smolensk was a 13th-century Rus' princess from the Smolensk princely house who became Grand Princess consort of Vladimir through her marriage to Grand Prince Yaroslav II.

• A. Anna Mstislavna of Novgorod
  Anna Mstislavna of Novgorod was a 13th-century Rus' princess from the ruling house of Novgorod who became a prominent dynastic figure through her marriage into the Galician-Volhynian principality and as the mother of King Leo I of Galicia.
• B. Theodosia Igorevna of Ryazan
  Theodosia Igorevna of Ryazan was a 13th-century Rus' noblewoman and princess of Ryazan, best known as the mother of the famed prince and military leader Alexander Nevsky.
• C. Eudoxia of Moscow
  Eudoxia of Moscow was a 14th-century Russian noblewoman and Grand Princess of Moscow, known as the pious wife of Grand Prince Dmitry Donskoy and mother of his heirs.
• D. Olga of Kiev
  Olga of Kiev was a 10th-century regent of Kievan Rus' renowned for her ruthless vengeance against the Drevlians and later venerated as a saint for being one of the first prominent rulers in the region to convert to Christianity.
• E. Maria of Tver
  Maria of Tver was a 14th-century Russian princess from the ruling house of Tver and the first wife of Grand Prince Yuri of Moscow, making her an important dynastic figure in the early history of the Grand Duchy of Moscow.
• F. None of above. chosen