Please choose the correct ending to complete the given sentence: Using the rowing machine: People workout on a fitness machine pulling a strings on a rod and going back and forth. A man folds a fitness machine in a gym. then

Ending1: , a woman stands on a rope and begins to swing a rod. Ending2: , a man make workouts in a fitness machine. Ending3: , people walks to a beach and sit on chairs. Ending4: , people workout bungee jumping in sand as they keep the rod in their hands as if to jump.

Answer format: ending1/ending2/ending3/ending4