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: Amazon River | Statement: [Ucayali River, formsHeadwatersOf, Amazon River]

Target entity: Amazon River
Context triple: [Ucayali River, formsHeadwatersOf, Amazon River]

• A. Amazon River chosen
  The Amazon River is one of the world's longest and largest rivers by discharge, flowing across northern South America through the Amazon rainforest and into the Atlantic Ocean.
• B. Amazonas
  Amazonas is a vast state in northwestern Brazil, largely covered by the Amazon rainforest and known for its immense biodiversity and the city of Manaus.
• C. Rio Negro
  Rio Negro is a major blackwater river in South America that flows through Colombia, Venezuela, and Brazil before joining the Amazon River.
• D. Napo River
  The Napo River is a major tributary of the Amazon River in northwestern South America, flowing from the Andes through Ecuador into Peru and supporting rich rainforest ecosystems and indigenous communities.
• E. Paraná River
  The Paraná River is one of South America's longest and most important rivers, flowing through Brazil, Paraguay, and Argentina and serving as a key waterway for transport, hydroelectric power, and regional ecosystems.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: formsHeadwatersOf
Context triple: [Ucayali River, formsHeadwatersOf, Amazon River]

• A. formsHeadwatersWith
  Indicates that two or more watercourses join or originate together to create the initial source or headwaters of a larger river or stream.
• B. majorRiverSource
  Indicates that one entity is the primary originating source or headwaters location of a major river.
• C. isMajorWatercourseOf
  Indicates that a watercourse is a primary or significant river or stream associated with, or flowing through, a particular geographic area or feature.
• D. sourceOfWatercourse chosen
  Indicates that one entity is the origin or starting point from which a watercourse (such as a river or stream) begins or flows.
• E. tributarySystem
  Indicates a relationship where one political entity pays regular tribute or offers deference to another, acknowledging the latter’s superior authority or status.
• F. None of above.