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.

[EX Q]: context: A person is sliding four bricks across four hard surfaces. The first surface is covered with gravel, the second surface is covered with grease, the third surface is covered with rubber, and the fourth surface is covered with carpet.<sep>group: sliding <sep>question: Which brick slides the longest distance?<sep>A: gravel<sep>B: grease<sep>C: rubber<sep>D: carpet
[EX A]: The surface covered with grease is the easiest for the brick to slide across.

[EX Q]: context: A person is trying to stack books, bottles, blocks, and coins.<sep>group: stacking <sep>question: Which are the hardest to stack?<sep>A: books<sep>B: bottles<sep>C: blocks<sep>D: coins
[EX A]: The bottles are the hardest to stack.

[EX Q]: context: A person is trying to bounce a rubber ball. They drop a first ball onto leaves, a second ball onto asphalt, a third ball onto carpet, and a fourth ball onto snow.<sep>group: bouncing <sep>question: Which ball bounces the highest?<sep>A: leaves<sep>B: asphalt<sep>C: carpet<sep>D: snow
[EX A]:
The ball dropped onto the asphalt bounces the most times.