Please choose the correct ending to complete the given sentence: Spinning: People are sitting on exercise bikes and working out. a woman

Ending1: stands next to them brushing and cleaning their shirts. Ending2: in a red shirt starts with a 1 out of 4 position and pushes it. Ending3: puts something on the side of the leg of a man working out. Ending4: takes off clothes while standing on the bike.

Answer format: ending1/ending2/ending3/ending4