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: Andrei Vladimirovich Romanov | Statement: [Mathilde Kschessinska, spouse, Andrei Vladimirovich Romanov]

Target entity: Andrei Vladimirovich Romanov
Context triple: [Mathilde Kschessinska, spouse, Andrei Vladimirovich Romanov]

• A. 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.
• B. Alexei Alexeyevich Romanov
  Alexei Alexeyevich Romanov, better known as Alexei Petrovich, was the ill-fated son and heir of Peter the Great whose conflict with his father led to his imprisonment and death.
• C. Feodor Nikitich Romanov
  Feodor Nikitich Romanov, later known as Patriarch Filaret, was a prominent Russian boyar and church leader who became de facto ruler of Russia during the early Romanov dynasty.
• D. Paul Petrovich Romanov
  Paul Petrovich Romanov, better known as Paul I of Russia, was Emperor of Russia from 1796 to 1801, noted for his autocratic rule, military reforms, and assassination in a palace coup.
• E. Nikolai Alexandrovich Romanov
  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.
• 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: Andrei Vladimirovich Romanov
Triple: [Mathilde Kschessinska, spouse, 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.

Target entity: Andrei Vladimirovich Romanov
Target entity description: 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.

• A. 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.
• B. Alexei Alexeyevich Romanov
  Alexei Alexeyevich Romanov, better known as Alexei Petrovich, was the ill-fated son and heir of Peter the Great whose conflict with his father led to his imprisonment and death.
• C. Feodor Nikitich Romanov
  Feodor Nikitich Romanov, later known as Patriarch Filaret, was a prominent Russian boyar and church leader who became de facto ruler of Russia during the early Romanov dynasty.
• D. Paul Petrovich Romanov
  Paul Petrovich Romanov, better known as Paul I of Russia, was Emperor of Russia from 1796 to 1801, noted for his autocratic rule, military reforms, and assassination in a palace coup.
• E. Nikolai Alexandrovich Romanov
  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.
• F. None of above. chosen