Please choose the correct ending to complete the given sentence: Roof shingle removal: A group of men are on top of a roof. they

Ending1: move around on top of the house. Ending2: are using ladders to push shingles off. Ending3: are seen performing various karate moves with one another. Ending4: lift a heavy weight over their heads.

Answer format: ending1/ending2/ending3/ending4