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.
Example: context: A person is trying to roll an apple, a ball, a block, and a bottle. <sep>group: rolling
Example solution: question: Which is the hardest to roll? <sep>A: apple 	B: ball 	C: block 	D: bottle
Example explanation: The MCQ question is asked regarding rolling of the objects and options of the question are present in the context.

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

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