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: Lower Colorado River Valley | Statement: [Colorado River Indian Tribes, hasPrimaryRegion, Lower Colorado River Valley]

Target entity: Lower Colorado River Valley
Context triple: [Colorado River Indian Tribes, hasPrimaryRegion, Lower Colorado River Valley]

• A. 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.
• B. Arkansas River region
  The Arkansas River region is a historic and culturally significant area in the central United States shaped by the course of the Arkansas River, long serving as a corridor for Indigenous peoples, trade, and settlement.
• 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. Great Basin–Mojave transition zone
  The Great Basin–Mojave transition zone is an ecologically and culturally significant desert region in the American Southwest where the Great Basin and Mojave deserts meet, characterized by mixed flora, fauna, and long-standing Indigenous presence.
• E. Mono Basin
  Mono Basin is a high-desert watershed in eastern California best known for Mono Lake, its striking tufa formations, and its dramatic Eastern Sierra scenery.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.