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: Ucayali River | Statement: [Ucayali–Marañón confluence, upstreamRiver, Ucayali River]

Target entity: Ucayali River
Context triple: [Ucayali–Marañón confluence, upstreamRiver, Ucayali River]

• A. Ucayali River chosen
  The Ucayali River is a major Peruvian waterway that, together with the Marañón River, forms the main headwaters of the Amazon River.
• B. Marañón River
  The Marañón River is a major river in Peru that forms one of the principal headwaters of the Amazon River system.
• C. Japurá River
  The Japurá River is a long, sediment-rich river in western Amazonia that flows from Colombia into Brazil, contributing significantly to the water volume and ecological complexity of the Amazon basin.
• D. Cocha River
  The Cocha River is a watercourse in the Peruvian Andes that flows through the scenic Nor Yauyos-Cochas Landscape Reserve, contributing to its highland lakes, waterfalls, and diverse ecosystems.
• E. Coca River
  The Coca River is a significant waterway in northeastern Ecuador that flows through the Amazon rainforest and contributes to the Napo River system.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.

Target predicate: upstreamRiver
Context triple: [Ucayali–Marañón confluence, upstreamRiver, Ucayali River]

• A. upstreamDam
  Indicates that one entity is located or positioned upstream of another entity in relation to a dam, typically affecting or influenced by the dam’s presence or operation.
• B. isMajorWatercourseOf
  Indicates that a watercourse is a primary or significant river or stream associated with, or flowing through, a particular geographic area or feature.
• C. tributary
  Indicates that one watercourse flows into and feeds another, contributing its water to a larger stream, river, or lake.
• D. distributaryOf
  Indicates that one watercourse branches off from a main river or stream and carries its water away, rather than feeding into it.
• E. isTributaryDamOf
  Indicates that a dam is constructed on and regulates the flow of a tributary river or stream relative to a main watercourse.
• F. None of above. chosen