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: Ohio River region | Statement: [National Road, connectedTo, Ohio River region]

Target entity: Ohio River region
Context triple: [National Road, connectedTo, Ohio River region]

• A. Ohio Valley region chosen
  The Ohio Valley region is a historically significant area along the Ohio River in the eastern United States, known as an early center of frontier settlement, religious movements, and economic development.
• B. Mississippi River valley
  The Mississippi River valley is a vast, fertile lowland region in the central United States shaped by the Mississippi River, historically crucial for agriculture, trade, and settlement.
• C. Ob River region
  The Ob River region is a vast area of western Siberia in Russia, characterized by its major river system, diverse ecosystems, and historical habitation by Ugric-speaking indigenous peoples.
• D. Upper Mississippi Valley
  The Upper Mississippi Valley is a region along the upper course of the Mississippi River, encompassing parts of several Midwestern U.S. states and historically significant for trade, settlement, and military activity.
• E. Mississippi River basin
  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.
• F. None of above.
• G. Unsure - the case is ambiguous/there is not enough information to decide.