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: Ernst Johann von Biron | Statement: [Anna Leopoldowna, regency preceded by, Ernst Johann von Biron]

Target entity: Ernst Johann von Biron
Context triple: [Anna Leopoldowna, regency preceded by, Ernst Johann von Biron]

• A. Ernst Johann von Biron chosen
  Ernst Johann von Biron was an 18th-century Baltic German nobleman who rose to power as the favorite of Empress Anna of Russia and briefly dominated Russian politics before being overthrown and exiled.
• B. Peter von Biron
  Peter von Biron was the last Duke of Courland and Semigallia, known for his role in the final years of the duchy's independence before its incorporation into the Russian Empire.
• C. Christoph von Lieven
  Christoph von Lieven was a prominent Russian diplomat and statesman of the early 19th century, noted for his influential ambassadorial roles in European courts.
• D. Konstantin Bernhard von Voigts-Rhetz
  Konstantin Bernhard von Voigts-Rhetz was a 19th-century Prussian general who played a prominent role in the Austro-Prussian and Franco-Prussian Wars.
• E. Rudolf von Bennigsen
  Rudolf von Bennigsen was a prominent 19th-century German liberal politician who played a key role in the unification movement and the development of parliamentary liberalism in Germany.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: regency preceded by
Context triple: [Anna Leopoldowna, regency preceded by, Ernst Johann von Biron]

• A. reignPreceded
  Indicates that one entity’s reign occurred immediately before another entity’s reign in a temporal succession.
• B. precededByAsRegent chosen
  Indicates that one entity previously served as regent before another entity, in a directly preceding position of regency.
• C. regencyBeganAfter
  Indicates that the start of one regency occurred later in time than the start of another regency.
• D. precededGovernment
  Indicates that one government directly came before another in a temporal or historical sequence.
• E. regencyBegan
  Indicates the point in time when a regency—rule exercised on behalf of another, typically a monarch—officially started.
• F. None of above.