Please choose the correct ending to complete the given sentence: Doing crunches: Woman is laying on a floor and is doing abs. woman

Ending1: is standing in a room and is talking to the camera. Ending2: grabs the head of the closet and walked out. Ending3: lift this and moves to the blower and throws it in basket. Ending4: is doing crunches on sets.

Answer format: ending1/ending2/ending3/ending4