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 carpet, a second ball onto rubber, a third ball onto asphalt, and a fourth ball onto concrete.<sep>group: bouncing
[A]: question: Which ball bounces the least?<sep>A: carpet<sep>B: rubber<sep>C: asphalt<sep>D: concrete


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


[Q]: 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 asphalt, and a fourth ball onto brick.<sep>group: bouncing
[A]:
question: Which ball bounces the least?<sep>A: foam<sep>B: steel<sep>C: asphalt<sep>D: brick