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.

context: A person is trying to roll a bottle, a mirror, a box, and a book.<sep>group: rolling <sep>question: Which is the easiest to roll?<sep>A: bottle<sep>B: mirror<sep>C: box<sep>D: book
The bottle is the easiest to roll.