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.
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Question: context: There are four staircases. The first leads to the top of a microwave, the second leads to the top of a table, the third leads to the top of a car, and the fourth leads to the top of a mountain.<sep>group: height <sep>question: The staircase leading to the top of what is the hardest to walk up?<sep>A: microwave<sep>B: table<sep>C: car<sep>D: mountain

Answer: The staircase leading to the top of the mountain is the hardest to walk up.

Question: context: Four people are walking at identical speeds. The first walks around a mountain, the second walks around a house, the third walks around a book, and the fourth walks around a microwave.<sep>group: circumference <sep>question: Which takes the longest amount of time to walk around?<sep>A: mountain<sep>B: house<sep>C: book<sep>D: microwave

Answer: The mountain takes the longest amount of time to walk around.

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

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