The task is about reading the given context, group and MCQs and then generating answers from the given input. MCQs are multiple choice questions in which a question is asked and few options are given, among which one or in some cases more than one can be the answer.
Example: context: A person is trying to stack flowers, eggs, balls, and books.<sep>group: stacking <sep>question: Which is the easiest to stack?<sep>A: flowers<sep>B: eggs<sep>C: balls<sep>D: books
Example solution: Books are the easiest to stack.
Example explanation: The answer relates to stacking which is mentioned in the group in the input.

Problem: context: A person is sliding four bricks across four hard surfaces. The first surface is covered with frost, the second surface is covered with concrete, the third surface is covered with grease, and the fourth surface is covered with oil.<sep>group: sliding <sep>question: Which brick slides the shortest distance?<sep>A: frost<sep>B: concrete<sep>C: grease<sep>D: oil

Solution: The surface covered with concrete is the hardest for the brick to slide across.