Task: Question Generation
Input (English): context: A person is sliding four bricks across four hard surfaces. The first surface is covered with carpet, the second surface is covered with frost, the third surface is covered with gravel, and the fourth surface is covered with concrete.<sep>group: sliding <sep>question: Which brick slides the longest distance?<sep>A: carpet<sep>B: frost<sep>C: gravel<sep>D: concrete
Output (English): The surface covered with frost is the easiest for the brick to slide across.