Detailed Instructions: Creating a multiple-choice question from the given context and a 'group' which indicate the focus of the question. The question must come first, separated by <sep> from the candidate answers. The answer to the question does not have to exist in the context.
Problem:context: A person drops a mirror, a bottle, a coin, and an egg from a balcony.<sep>group: breaking
Solution:
question: Which object is the least likely to break?<sep>A: mirror<sep>B: bottle<sep>C: coin<sep>D: egg