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: A person is trying to roll a microwave, a block, a ball, and a mirror.<sep>group: rolling <sep>question: Which is the easiest to roll?<sep>A: microwave<sep>B: block<sep>C: ball<sep>D: mirror

SOLUTION: The ball is the easiest to roll.

PROBLEM: context: A person is trying to roll an apple, an egg, a bottle, and a book.<sep>group: rolling <sep>question: Which is the hardest to roll?<sep>A: apple<sep>B: egg<sep>C: bottle<sep>D: book

SOLUTION: The book is the hardest to roll.

PROBLEM: context: Four balls are dropped. The first is dropped from the height equivalent of a mountain, the second is dropped from the height equivalent of a house, the third is dropped from the height equivalent of a microwave, and the fourth is dropped from the height equivalent of a car.<sep>group: height <sep>question: The ball dropped from the height of what takes the longest amount of time to fall?<sep>A: mountain<sep>B: house<sep>C: microwave<sep>D: car

SOLUTION:
The ball dropped from the height of the mountain takes the longest amount of time to fall.