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