question: Mississippi River:Columbia River:Colorado River
choices.label: A B C D
choices.text: Rocky Mountains:Great Smoky Mountains:Alaska Range burj khalifa:empire state building:eiffel tower santorini:bali:maui notre-dame de paris:la sagrada familia:duomo di milano
explanation: "Mississippi River", "Columbia River" and "Colorado River" are three rivers in America. "Rocky Mountains", "Great Smoky Mountains" and "Alaska Range" are three mountains in America. the "burj khalifa" is located in dubai, the "empire state building" is located in new york city, and the "eiffel tower" is located in paris. "santorini" is an island in greece, "bali" is an island in indonesia, and "maui" is an island in the united states. "notre-dame de paris" is a church in france, "la sagrada familia" is a church in spain, and "duomo di milano" is a church in italy.
relation: Mississippi River Columbia River Colorado River R2.6
relation: Rocky Mountains Great Smoky Mountains Alaska Range R2.6