Please choose the correct ending to complete the given sentence: Using the pommel horse: A couple of boys spin their bodies around the mounting equipment. The coach explains some more. a few more boys

Ending1: demonstrate spinning their bodies. Ending2: turn their bodies around two at a time. Ending3: spin themselves in the stirrups of the exercise equipment. Ending4: are shown preparing their positions on the swing set.

Answer format: ending1/ending2/ending3/ending4