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 at Sonora border | Statement: [Arizona, lowestPoint, Colorado River at Sonora border]

Target entity: Colorado River at Sonora border
Context triple: [Arizona, lowestPoint, Colorado River at Sonora border]

• A. Colorado River near present-day Needles, California
  The Colorado River near present-day Needles, California is a key crossing point in the Mojave Desert that historically served as a vital water source and gateway for Indigenous peoples, explorers, and overland travel routes.
• B. Lower Colorado River region chosen
  The Lower Colorado River region is an area along the lower course of the Colorado River in the southwestern United States and northwestern Mexico, traditionally inhabited by Indigenous peoples whose cultures and languages are part of the Yuman language family.
• C. Amargosa River basin
  The Amargosa River basin is an arid watershed in the Mojave Desert known for its intermittent river, unique desert ecosystems, and rare oases supporting specialized wildlife.
• D. U.S.–Mexico border
  The U.S.–Mexico border is the international boundary separating the United States and Mexico, stretching from the Pacific Ocean to the Gulf of Mexico and serving as a major focal point for migration, trade, and security issues.
• E. Copper Canyon
  Copper Canyon is a vast network of deep, rugged canyons in northwestern Mexico, renowned for its dramatic landscapes, indigenous Tarahumara communities, and the scenic Chepe railway.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.