Please choose the correct ending to complete the given sentence: Fixing the roof: Two men are shown on the side of a building roof. one

Ending1: of the men disappears and then reappears holding a rubik's cube. Ending2: swings a shovel over his shoulder. Ending3: turns to the side, using a piece of equipment. Ending4: then pulls down a lower sheet of tiles using tools.

Answer format: ending1/ending2/ending3/ending4