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: Nicholas Alexandrovich Romanov | Statement: [Grand Duke Nicholas Alexandrovich of Russia, fullName, Nicholas Alexandrovich Romanov]

Target entity: Nicholas Alexandrovich Romanov
Context triple: [Grand Duke Nicholas Alexandrovich of Russia, fullName, Nicholas Alexandrovich Romanov]

• A. Nikolai Alexandrovich Romanov chosen
  Nikolai Alexandrovich Romanov, better known as Tsar Nicholas II, was the last Emperor of Russia whose reign ended with the Russian Revolution and his execution along with his family.
• B. Vladimir Alexandrovich Romanov
  Vladimir Alexandrovich Romanov was a 19th-century Russian grand duke, son of Emperor Alexander II, who played a prominent role in the imperial court and military of the late Russian Empire.
• C. Alexander Pavlovich Romanov
  Alexander Pavlovich Romanov, better known as Alexander I of Russia, was the Emperor of Russia from 1801 to 1825, noted for his role in defeating Napoleon and reshaping Europe at the Congress of Vienna.
• D. Andrei Vladimirovich Romanov
  Andrei Vladimirovich Romanov was a Russian grand duke of the Romanov dynasty, noted for his long-term relationship and later marriage to the famed ballerina Mathilde Kschessinska and for living much of his life in exile after the Russian Revolution.
• E. Vladimir Vladimirovich Romanov
  Vladimir Vladimirovich Romanov, better known as Grand Duke Vladimir Vladimirovich of Russia, was a prominent member of the late 19th- and early 20th-century Russian imperial family and a key figure in the Romanov dynasty.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.