Task: Explanation
Input (English): The Great Plains (sometimes simply "the Plains") is the broad expanse of flat land (a plain), much of it covered in prairie, steppe and grassland, that lies west of the Mississippi River tallgrass prairie states and east of the Rocky Mountains in the United States and Canada. It embraces Question: Thermopsis rhombifolia could be found in the Great Plains, where do Great Plains could be found in the United States? Answer: west of the Mississippi River
Output (English): The Great Plains sometimes simply the Plains is the broad expanse of flat land a plain, much of it covered in prairie, steppe and grassland, that lies west of the Mississippi River tallgrass prairie states and east of the Rocky Mountains in the United States and Canada.