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.
One 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
Solution is here: Books are the easiest to stack.
Explanation: The answer relates to stacking which is mentioned in the group in the input.

Now, solve this: context: Four people are walking at identical speeds. The first walks around a car, the second walks around a mountain, 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: car<sep>B: mountain<sep>C: book<sep>D: microwave
Solution:
The mountain takes the longest amount of time to walk around.