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 system | Statement: [Nicholas Roosevelt, areaOfActivity, Mississippi River system]

Target entity: Mississippi River system
Context triple: [Nicholas Roosevelt, areaOfActivity, Mississippi River system]

• A. Mississippi River
  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 River basin chosen
  The Mississippi River basin is the vast drainage area of the Mississippi River system, encompassing much of the central United States and parts of Canada and covering one of the largest river basins in the world.
• C. Red River basin
  The Red River basin is a major river system in Southeast Asia that drains parts of southern China and northern Vietnam, supporting dense populations, agriculture, and economic activity along its floodplains.
• D. Upper Mississippi River–Illinois Waterway navigation system
  The Upper Mississippi River–Illinois Waterway navigation system is a major interconnected network of locks, dams, and channels that enables commercial barge traffic between the upper Midwest and the Gulf of Mexico.
• E. 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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.