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: Mongolian Revolution of 1921 | Statement: [Chinese occupation of Outer Mongolia in 1919, followedBy, Mongolian Revolution of 1921]

Target entity: Mongolian Revolution of 1921
Context triple: [Chinese occupation of Outer Mongolia in 1919, followedBy, Mongolian Revolution of 1921]

• A. Mongolian Revolution of 1921 chosen
  The Mongolian Revolution of 1921 was the conflict in which Mongolian revolutionaries, with Soviet support, overthrew Chinese rule and the White Russian presence, leading to the establishment of the Mongolian People's Republic.
• B. 1911 Mongolian Revolution
  The 1911 Mongolian Revolution was a nationalist uprising in Outer Mongolia that overthrew Qing rule and led to the proclamation of an autonomous Mongolian state under the Bogd Khan.
• C. Nghe-Tinh Soviets uprising
  The Nghe-Tinh Soviets uprising was a 1930–1931 rural insurrection in central Vietnam in which peasants briefly established revolutionary “soviet” administrations while resisting French colonial rule.
• D. Revolution of 1923
  The Revolution of 1923 was a civil conflict in Brazil’s Rio Grande do Sul that pitted supporters and opponents of Governor Borges de Medeiros against each other, reflecting deep regional and political tensions in the early republican period.
• E. Manchu Restoration of 1917
  The Manchu Restoration of 1917 was a brief and unsuccessful attempt to restore the Qing dynasty in China, led by monarchist forces in Beijing before being quickly suppressed by republican military leaders.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.