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: South Platte River | Statement: [Platte River, formedByConfluenceOf, South Platte River]

Target entity: South Platte River
Context triple: [Platte River, formedByConfluenceOf, South Platte River]

• A. South Platte River chosen
  The South Platte River is a major tributary of the Platte River that flows through Colorado and Nebraska, running through Denver and serving as an important source of water, recreation, and habitat in the region.
• B. Platte River
  The Platte River is a broad, shallow river in the central United States that flows through Nebraska and is historically significant as a route corridor for westward expansion and a vital habitat for migratory birds.
• C. Niobrara River
  The Niobrara River is a scenic waterway in northern Nebraska known for its unique mix of Great Plains, Sandhills, and forest ecosystems and popular for canoeing, tubing, and wildlife viewing.
• D. North Platte River
  The North Platte River is a major tributary of the Platte River that flows through Colorado, Wyoming, and Nebraska, historically serving as a key waterway and guide for westward migration routes such as the Oregon Trail.
• E. Gunnison River
  The Gunnison River is a major tributary of the Colorado River in western Colorado, known for carving the dramatic Black Canyon and supporting recreation, irrigation, and hydropower in the region.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.