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: Olga Valerianovna Karnovich | Statement: [Grand Duke Paul Alexandrovich of Russia, spouse, Olga Valerianovna Karnovich]

Target entity: Olga Valerianovna Karnovich
Context triple: [Grand Duke Paul Alexandrovich of Russia, spouse, Olga Valerianovna Karnovich]

• A. Zinaida Reich
  Zinaida Reich was a prominent Russian and Soviet stage actress, best known for her work in avant-garde theater and her association with director Vsevolod Meyerhold.
• B. Zinaida Serebriakova
  Zinaida Serebriakova was a prominent Russian and later French painter known for her lyrical, realist portraits and self-portraits, and as one of the first notable female artists of the Russian Silver Age.
• C. Olga Kameneva
  Olga Kameneva was a prominent Soviet cultural and political figure, known for her leadership in international cultural organizations and as a member of the early Bolshevik elite.
• D. Rosa Yosifovna
  Rosa Yosifovna was the wife of Bulgarian communist leader and first communist head of state Georgi Dimitrov.
• E. Marta Samuilovna Skavronskaya
  Marta Samuilovna Skavronskaya, better known as Catherine I of Russia, was the Empress of Russia and the second wife of Peter the Great, becoming the first woman to rule the Russian Empire.
• 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: Olga Valerianovna Karnovich
Triple: [Grand Duke Paul Alexandrovich of Russia, spouse, Olga Valerianovna Karnovich]

Olga Valerianovna Karnovich was a Russian noblewoman best known as the morganatic second wife of Grand Duke Paul Alexandrovich of Russia, for whom she was later created Princess Paley.

Target entity: Olga Valerianovna Karnovich
Target entity description: Olga Valerianovna Karnovich was a Russian noblewoman best known as the morganatic second wife of Grand Duke Paul Alexandrovich of Russia, for whom she was later created Princess Paley.

• A. Zinaida Reich
  Zinaida Reich was a prominent Russian and Soviet stage actress, best known for her work in avant-garde theater and her association with director Vsevolod Meyerhold.
• B. Zinaida Serebriakova
  Zinaida Serebriakova was a prominent Russian and later French painter known for her lyrical, realist portraits and self-portraits, and as one of the first notable female artists of the Russian Silver Age.
• C. Olga Kameneva
  Olga Kameneva was a prominent Soviet cultural and political figure, known for her leadership in international cultural organizations and as a member of the early Bolshevik elite.
• D. Rosa Yosifovna
  Rosa Yosifovna was the wife of Bulgarian communist leader and first communist head of state Georgi Dimitrov.
• E. Marta Samuilovna Skavronskaya
  Marta Samuilovna Skavronskaya, better known as Catherine I of Russia, was the Empress of Russia and the second wife of Peter the Great, becoming the first woman to rule the Russian Empire.
• F. None of above. chosen