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: [Des Moines County, Iowa, borderFormedBy, Mississippi River]

Target entity: Mississippi River
Context triple: [Des Moines County, Iowa, borderFormedBy, 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. Red River of the North
  The Red River of the North is a northward-flowing river forming much of the border between North Dakota and Minnesota before continuing through Manitoba to Lake Winnipeg, and is known for its fertile valley and frequent flooding.
• E. White River
  White River is a major waterway in central Indiana that flows through Indianapolis and plays a key role in the region’s ecology and recreation.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.