Please choose the correct ending to complete the given sentence: Kneeling: A guy is half kneeing on a light blue platform and pulling a handle to an exercise machine. The guy looks towards the exercise machine. the guy

Ending1: begins to kneel on the floor and starts to do tricks. Ending2: stands up and allows the handle to get closer to the exercise machine. Ending3: does a three hand movement following signals from the machine. Ending4: sits up on the exercise machine.

Answer format: ending1/ending2/ending3/ending4