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: [Clayton County, Iowa, borders, Mississippi River]

Target entity: Mississippi River
Context triple: [Clayton County, Iowa, borders, 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. Usa River
  The Usa River is a small river in Hesse, Germany, that flows through the Taunus region and passes towns such as Usingen and Bad Nauheim before joining the Wetter River.
• D. Usa River
  The Usa River is a major waterway in northwestern Russia that flows through the Komi Republic and Nenets Autonomous Okrug before joining the Pechora River.
• 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.