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 at St. Louis, Missouri | Statement: [Mississippi River near Grafton, Illinois, upstreamFrom, Mississippi River at St. Louis, Missouri]

Target entity: Mississippi River at St. Louis, Missouri
Context triple: [Mississippi River near Grafton, Illinois, upstreamFrom, Mississippi River at St. Louis, Missouri]

• A. Mississippi River at St. Louis, Missouri chosen
  The Mississippi River at St. Louis, Missouri is a major stretch of the Mississippi where it flows past the city of St. Louis and receives the waters of the Missouri River, forming one of North America’s most significant river confluences.
• B. Mississippi River at New Orleans
  The Mississippi River at New Orleans is a major lower Mississippi waterway segment flowing past the city’s historic riverfront and spanned by key crossings such as the Crescent City Connection.
• C. Mississippi River near Grafton, Illinois
  The Mississippi River near Grafton, Illinois is a major stretch of the river in southwestern Illinois where it meets the Illinois River, forming a notable confluence and scenic river landscape.
• D. Mississippi River at Memphis
  The Mississippi River at Memphis is a major stretch of the river where it flows past downtown Memphis, Tennessee, serving as a key commercial waterway and iconic natural landmark of the region.
• E. Mississippi River at Winona, Minnesota
  The Mississippi River at Winona, Minnesota is a major stretch of the Upper Mississippi where the river forms a broad, navigable channel flanked by bluffs and islands, serving as a key natural and transportation corridor for the region.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.