Please choose the correct ending to complete the given sentence: Playing squash: Two men hit a tennis ball against a white wall in a small gym room while onlookers watch. two men in sneakers and sweatpants

Ending1: bend over a bed while holding step stools. Ending2: play racket ball inside an office. Ending3: stand on the other side of a glass walled gym room and hit a tennis ball against a wall. Ending4: perform a tennis match with one another in a tennis net in a sunny day, after all of them are covered with sweat.

Answer format: ending1/ending2/ending3/ending4