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: Mississippi River | Statement: [Midwestern United States, contains, Mississippi River]

Target entity: Mississippi River
Context triple: [Midwestern United States, contains, Mississippi River]

• A. Mississippi River chosen
  The Mississippi River is one of the longest and most significant rivers in the United States, serving as a major waterway for transportation, commerce, and drainage across much of the central continent.
• B. Mississippi
  Mississippi is a U.S. state in the Deep South known for the Mississippi River, its influential role in American history and culture—especially blues music—and its largely rural, agricultural landscape.
• C. Missouri River
  The Missouri River is the longest river in North America, flowing from the Rocky Mountains of western Montana to join the Mississippi River near St. Louis.
• D. Tennessee River
  The Tennessee River is a major waterway in the southeastern United States that flows through several states and serves as a key resource for navigation, power generation, and regional development.
• E. Tennessee Valley
  The Tennessee Valley is a region in the southeastern United States centered around the Tennessee River, known for its historically rural economy, flood-prone landscape, and large-scale development through New Deal-era infrastructure and power projects.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.