Please choose the correct ending to complete the given sentence: Doing crunches: A woman is in a gym, sitting on a ball. she

Ending1: puts a ring on her finger, then sits down. Ending2: is doing several sit ups on the ball. Ending3: goes back and forth, pushing the pinata up and down. Ending4: lies down on the gym floor.

Answer format: ending1/ending2/ending3/ending4