Complex sentence: If a correct response is given, they would then have to spell out the answer by stomping out the letters on a large QWERTY keyboard mounted in the floor, if the answer had two words, contestants don't need to hit the spacebar or enter key.
Split into simpler sentences: If a correct response is given, they would then have to spell out the answer by stomping out the letters on a large QWERTY keyboard mounted in the floor. If the answer had two words, contestants don't need to hit the spacebar or enter key.