Please choose the correct ending to complete the given sentence: Roof shingle removal: A man is seen putting objects onto a wall and place a board along the wall. he

Ending1: moves between two objects while sitting and looking closer to the camera. Ending2: then swings and uses a long stick to turn a knob on the wall. Ending3: continues moving the objects on the wall and then nails them down with a nail gun and presents the shelves he's made. Ending4: uses an electric shaver to shaves the board along the wall.

Answer format: ending1/ending2/ending3/ending4