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: Arkansas River | Statement: [Buena Vista, Colorado, locatedOn, Arkansas River]

Target entity: Arkansas River
Context triple: [Buena Vista, Colorado, locatedOn, Arkansas River]

• A. Arkansas River chosen
  The Arkansas River is a major tributary of the Mississippi River that flows from the Rocky Mountains in Colorado through Kansas, Oklahoma, and Arkansas, playing a key role in the region’s ecology, history, and commerce.
• B. Cimarron River
  The Cimarron River is a major tributary of the Arkansas River that flows through several states in the south-central United States, including Oklahoma, across largely arid and prairie landscapes.
• C. Canadian River
  The Canadian River is a major waterway of the south-central United States that flows through Colorado, New Mexico, Texas, and Oklahoma before joining the Arkansas River.
• D. Arikaree River
  The Arikaree River is a largely undammed, ecologically significant prairie river of the central Great Plains that flows through eastern Colorado into Kansas and Nebraska.
• E. Colorado River
  The Colorado River in Argentina is a major watercourse in the south-central part of the country that flows eastward from the Andes to the Atlantic Ocean, forming part of the boundary of Buenos Aires Province and supporting regional agriculture and irrigation.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.