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: Colorado River system | Statement: [Green Mountain Reservoir, partOf, Colorado River system]

Target entity: Colorado River system
Context triple: [Green Mountain Reservoir, partOf, Colorado River system]

• A. Colorado River
  The Colorado River is a major waterway of the southwestern United States and northern Mexico, renowned for carving the Grand Canyon and serving as a crucial water source for arid regions and Indigenous communities.
• B. 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.
• C. Colorado River Basin chosen
  The Colorado River Basin is the vast watershed in the western United States and northern Mexico that collects and channels water from multiple states and tributaries into the Colorado River, supporting major ecosystems, agriculture, and cities across an arid region.
• D. Colorado River valley
  The Colorado River valley is a broad, scenic corridor carved by the Colorado River, known for its dramatic canyons, fertile floodplains, and vital role in the arid landscapes of the American West.
• E. Arkansas River basin
  The Arkansas River basin is the extensive watershed that collects precipitation and runoff from parts of Colorado, Kansas, Oklahoma, and Arkansas, ultimately feeding the Arkansas River, a major tributary of the Mississippi River.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.