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 ice, the third surface is covered with soap, and the fourth surface is covered with grease.<sep>group: sliding <sep>question: Which brick slides the shortest distance?<sep>A: carpet<sep>B: ice<sep>C: soap<sep>D: grease
Output (English): The surface covered with carpet is the hardest for the brick to slide across.