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: Sino-Soviet conflict of 1929 | Statement: [Grigory Shtern, conflict, Sino-Soviet conflict of 1929]

Target entity: Sino-Soviet conflict of 1929
Context triple: [Grigory Shtern, conflict, Sino-Soviet conflict of 1929]

• A. Sino–Soviet split
  The Sino–Soviet split was the major ideological and political rift between the Soviet Union and the People’s Republic of China during the Cold War, which reshaped global communist alliances and international relations in the 1960s and 1970s.
• B. Sino–Soviet border conflict
  The Sino–Soviet border conflict was a series of armed clashes in 1969 between the Soviet Union and the People’s Republic of China along their disputed frontier, marking the peak of tensions in the Sino–Soviet split.
• 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. Mukden Incident
  The Mukden Incident was a staged 1931 explosion on a Japanese-controlled railway in Manchuria used by Japan as a pretext to invade and occupy the region.
• E. Marco Polo Bridge Incident
  The Marco Polo Bridge Incident was a 1937 armed clash between Japanese and Chinese troops near Beijing that escalated into full-scale war between Japan and China.
• F. None of above. chosen
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target entity: Sino-Soviet conflict of 1929
Target entity description: The Sino-Soviet conflict of 1929 was a brief armed clash between the Soviet Union and the Republic of China over control of the Chinese Eastern Railway in Manchuria.

• A. Sino–Soviet split
  The Sino–Soviet split was the major ideological and political rift between the Soviet Union and the People’s Republic of China during the Cold War, which reshaped global communist alliances and international relations in the 1960s and 1970s.
• B. Sino–Soviet border conflict
  The Sino–Soviet border conflict was a series of armed clashes in 1969 between the Soviet Union and the People’s Republic of China along their disputed frontier, marking the peak of tensions in the Sino–Soviet split.
• 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. Mukden Incident
  The Mukden Incident was a staged 1931 explosion on a Japanese-controlled railway in Manchuria used by Japan as a pretext to invade and occupy the region.
• E. Marco Polo Bridge Incident
  The Marco Polo Bridge Incident was a 1937 armed clash between Japanese and Chinese troops near Beijing that escalated into full-scale war between Japan and China.
• F. None of above. chosen