question: Mississippi River:Missouri
choices.label: A B C D
choices.text: Colorado River:California New York:Columbia River St. Lawrence River:Hawaii South America:Missouri River
explanation: the "Mississippi River" flows through "Missouri". the "Colorado River" flows through "California". "New York" does not flow through "Columbia River". the "St. Lawrence River" does not flow through "Hawaii". "South America" does not flow through the "Missouri River".
relation: Mississippi River Missouri R3.10
relation: Colorado River California R3.10