You will be given a definition of a task first, then some input of the task.
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 is trying to bounce a rubber ball. They drop a first ball onto foam, a second ball onto steel, a third ball onto concrete, and a fourth ball onto brick.<sep>group: bouncing
Output:
question: Which ball bounces the least?<sep>A: foam<sep>B: steel<sep>C: concrete<sep>D: brick