TASK DEFINITION: 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.
PROBLEM: context: An apple, a leaf, an egg, and a brick moving at identical speeds each collide with a static hockey puck.<sep>group: mass <sep>question: Which puck slides the shortest distance?<sep>A: apple<sep>B: leaf<sep>C: egg<sep>D: brick

SOLUTION: The puck hit by the leaf slides the shortest distance.

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

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

PROBLEM: context: A coin, a microwave, an apple, and a brick moving at identical speeds each collide with a static hockey puck.<sep>group: mass <sep>question: Which puck slides the shortest distance?<sep>A: coin<sep>B: microwave<sep>C: apple<sep>D: brick

SOLUTION:
The puck hit by the coin slides the shortest distance.