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.
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Question: context: A person is trying to bounce a rubber ball. They drop a first ball onto foam, a second ball onto concrete, a third ball onto steel, and a fourth ball onto asphalt.<sep>group: bouncing

Answer: question: Which ball bounces the least?<sep>A: foam<sep>B: concrete<sep>C: steel<sep>D: asphalt


Question: context: A person is trying to bounce a rubber ball. They drop a first ball onto foam, a second ball onto rubber, a third ball onto asphalt, and a fourth ball onto concrete.<sep>group: bouncing

Answer: question: Which ball bounces the least?<sep>A: foam<sep>B: rubber<sep>C: asphalt<sep>D: concrete


Question: context: A person is trying to bounce a rubber ball. They drop a first ball onto concrete, a second ball onto foam, a third ball onto steel, and a fourth ball onto rubber.<sep>group: bouncing

Answer:
question: Which ball bounces the least?<sep>A: concrete<sep>B: foam<sep>C: steel<sep>D: rubber