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: Amur–Heilong freshwater ecoregion | Statement: [Bureya River, ecoregion, Amur–Heilong freshwater ecoregion]

Target entity: Amur–Heilong freshwater ecoregion
Context triple: [Bureya River, ecoregion, Amur–Heilong freshwater ecoregion]

• A. Lena–Amur watershed system
  The Lena–Amur watershed system is a major hydrological divide in eastern Siberia that separates the drainage basins of the Lena and Amur rivers across a series of mountain ranges and uplands.
• B. Amur River basin chosen
  The Amur River basin is a vast drainage system in northeastern Asia that encompasses the Amur River and its tributaries, forming a major ecological and geopolitical region shared primarily by Russia, China, and Mongolia.
• C. Sanjiang Plain region
  The Sanjiang Plain region is a vast alluvial lowland in northeastern China, known for its extensive wetlands, fertile farmland, and the confluence of three major rivers near the Russian border.
• D. Sea of Okhotsk watershed
  The Sea of Okhotsk watershed is the extensive drainage basin whose rivers and streams, including major Siberian tributaries, ultimately flow into the Sea of Okhotsk in the northwest Pacific.
• E. Upper Amur Nanai
  Upper Amur Nanai is a regional dialect of the Tungusic Nanai language spoken by Nanai communities along the upper reaches of the Amur River in the Russian Far East.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.