Task: Question Understanding
Input (English): Question: What is the most reasonable explanation for why a toy car rolls farther on a wood floor than on a thick carpet? (A) The car weighs more on the carpet. (B) The car weighs more on the floor. (C) The carpet has more resistance. (D) The floor has more traction.?
Output (English): explanation, car, rolls, farther, wood, floor, thick, carpet?