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: Soviet defense of Mongolia | Statement: [Khalkhin Gol, hasPoliticalContext, Soviet defense of Mongolia]

Target entity: Soviet defense of Mongolia
Context triple: [Khalkhin Gol, hasPoliticalContext, Soviet defense of Mongolia]

• A. Battle of Khalkhin Gol
  The Battle of Khalkhin Gol was a decisive 1939 border conflict between the Soviet–Mongolian forces and Imperial Japan that ended in a major Soviet victory and helped deter further Japanese expansion into Siberia.
• B. Soviet occupation of Manchuria
  The Soviet occupation of Manchuria was the post–World War II military and political control of northeastern China by the Soviet Union, during which Soviet forces dismantled Japanese infrastructure, repatriated Japanese settlers, and helped shift regional power toward the Chinese Communist Party.
• C. Nomonhan Incident
  The Nomonhan Incident was a 1939 border war between Japan and the Soviet Union (with Mongolia) near the Khalkhin Gol river that ended in a decisive Soviet victory and helped deter further Japanese expansion into Siberia.
• D. Siberian intervention in the Russian Civil War
  The Siberian intervention in the Russian Civil War was the Allied military campaign in Siberia (1918–1922) aimed at supporting anti-Bolshevik forces, securing war supplies, and influencing the outcome of the Russian Civil War.
• E. Soviet–Japanese border conflicts chosen
  The Soviet–Japanese border conflicts were a series of undeclared military clashes between the Soviet Union (with Mongolia) and Imperial Japan (with Manchukuo) along the Manchurian–Mongolian frontier in the late 1930s, culminating in the large-scale Battle of Khalkhin Gol.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.