Please choose the correct ending to complete the given sentence: Doing crunches: A man sits on a sit that can restraint his feet. Then, the man exercises holding a weight behind his head and supporting. after

Ending1: , the man finish exercising, left the weight on the floor and leaves. Ending2: , the man stand a while and then rests again. Ending3: , we see a man on a recumbent position. Ending4: , the man lifts his legs in the air on a head stand.

Answer format: ending1/ending2/ending3/ending4