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: 2004 Sino-Russian supplementary border agreement (eastern section) | Statement: [Supplementary Agreement on the Eastern Section of the China–Russia Boundary (2004), alsoKnownAs, 2004 Sino-Russian supplementary border agreement (eastern section)]

Target entity: 2004 Sino-Russian supplementary border agreement (eastern section)
Context triple: [Supplementary Agreement on the Eastern Section of the China–Russia Boundary (2004), alsoKnownAs, 2004 Sino-Russian supplementary border agreement (eastern section)]

• A. Supplementary Agreement on the Eastern Section of the China–Russia Boundary (2004) chosen
  The Supplementary Agreement on the Eastern Section of the China–Russia Boundary (2004) is a bilateral treaty that finalized and clarified the remaining disputed segments of the eastern land border between China and Russia, helping to normalize and stabilize relations between the two countries.
• B. Treaty on the Russian-Chinese Border (1991)
  The Treaty on the Russian-Chinese Border (1991) is a post–Cold War agreement that settled major sections of the long-disputed frontier between Russia and China, laying groundwork for improved bilateral relations and later border accords.
• C. Soviet–Mongolian border agreements (20th century)
  The Soviet–Mongolian border agreements of the 20th century were a series of treaties that formally defined and adjusted the frontier between the Soviet Union and Mongolia, shaping the modern boundary between Mongolia and Russia.
• D. Russia–China border
  The Russia–China border is the long international boundary separating the Russian Federation and the People’s Republic of China, stretching thousands of kilometers across rivers, mountains, and remote terrain in Northeast and Central Asia.
• E. Soviet–Manchurian border
  The Soviet–Manchurian border was the frontier between the Soviet Union and Japanese-controlled Manchuria, a strategically tense boundary that saw significant military buildup and conflict in the 1930s and 1940s.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.