Given the task definition and input, reply with output. 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.

context: A person drops a plate, a pillow, a bottle, and a mirror from a balcony.<sep>group: breaking

question: Which object is the least likely to break?<sep>A: plate<sep>B: pillow<sep>C: bottle<sep>D: mirror