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.

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

A: question: Which ball bounces the least?<sep>A: steel<sep>B: brick<sep>C: concrete<sep>D: foam
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Q: context: A person is trying to bounce a rubber ball. They drop a first ball onto concrete, a second ball onto asphalt, a third ball onto carpet, and a fourth ball onto brick.<sep>group: bouncing

A: question: Which ball bounces the least?<sep>A: concrete<sep>B: asphalt<sep>C: carpet<sep>D: brick
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Q: context: A person is trying to bounce a rubber ball. They drop a first ball onto steel, a second ball onto grass, a third ball onto leaves, and a fourth ball onto carpet.<sep>group: bouncing

A:
question: Which ball bounces the highest?<sep>A: steel<sep>B: grass<sep>C: leaves<sep>D: carpet
****