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 basin | Statement: [Tapiche River, drainageBasin, Ucayali River basin]

Target entity: Ucayali River basin
Context triple: [Tapiche River, drainageBasin, Ucayali River basin]

• A. Javari River basin
  The Javari River basin is a remote, biodiverse rainforest region along the Brazil–Peru border that is home to Indigenous groups such as the Matsés and several of the world’s most isolated tribes.
• B. Vaupés River basin
  The Vaupés River basin is a remote, forested region of the northwest Amazon, spanning parts of Colombia and Brazil and known for its rich biodiversity and dense concentration of Indigenous communities.
• C. 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.
• D. Balsas River basin
  The Balsas River basin is a major drainage basin in south-central Mexico centered on the Balsas River, encompassing diverse climates and landscapes and supporting extensive agriculture and human settlements.
• E. Tapajós River basin
  The Tapajós River basin is a vast Amazonian watershed in Brazil known for its rich biodiversity and as the ancestral homeland of Indigenous groups such as the Munduruku people.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.