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: Boyar Duma | Statement: [Muscovite government, coreInstitution, Boyar Duma]

Target entity: Boyar Duma
Context triple: [Muscovite government, coreInstitution, Boyar Duma]

• A. Sully Boyar
  Sully Boyar was an American character actor known for his supporting roles in films of the 1970s and 1980s, including notable appearances in gritty urban dramas and comedies.
• B. Andrey Ivanovich of Staritsa
  Andrey Ivanovich of Staritsa was a 16th-century Russian prince of the Rurikid dynasty who held the appanage of Staritsa and was involved in the power struggles surrounding the reign of Ivan the Terrible.
• C. Prince Gvidon
  Prince Gvidon is the magically transformed son of Tsar Saltan in Alexander Pushkin’s fairy-tale poem, known for his adventures, cleverness, and eventual reunion with his father.
• D. Vassa of Novgorod
  Vassa of Novgorod was a medieval Rus noblewoman best known as the mother of Daniil Aleksandrovich of Moscow, the founder of the Moscow princely line.
• E. Vladimir Dolgorukov
  Vladimir Dolgorukov was a Russian nobleman of the prominent Dolgorukov family and the father of Princess Maria Vladimirovna Dolgorukova.
• 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: Boyar Duma
Triple: [Muscovite government, coreInstitution, Boyar Duma]

The Boyar Duma was the high council of nobles that advised the grand princes and tsars of Muscovy, playing a central role in governance and policymaking in medieval and early modern Russia.

Target entity: Boyar Duma
Target entity description: The Boyar Duma was the high council of nobles that advised the grand princes and tsars of Muscovy, playing a central role in governance and policymaking in medieval and early modern Russia.

• A. Sully Boyar
  Sully Boyar was an American character actor known for his supporting roles in films of the 1970s and 1980s, including notable appearances in gritty urban dramas and comedies.
• B. Andrey Ivanovich of Staritsa
  Andrey Ivanovich of Staritsa was a 16th-century Russian prince of the Rurikid dynasty who held the appanage of Staritsa and was involved in the power struggles surrounding the reign of Ivan the Terrible.
• C. Prince Gvidon
  Prince Gvidon is the magically transformed son of Tsar Saltan in Alexander Pushkin’s fairy-tale poem, known for his adventures, cleverness, and eventual reunion with his father.
• D. Vassa of Novgorod
  Vassa of Novgorod was a medieval Rus noblewoman best known as the mother of Daniil Aleksandrovich of Moscow, the founder of the Moscow princely line.
• E. Vladimir Dolgorukov
  Vladimir Dolgorukov was a Russian nobleman of the prominent Dolgorukov family and the father of Princess Maria Vladimirovna Dolgorukova.
• F. None of above. chosen