Please choose the correct ending to complete the given sentence: Hanging wallpaper: A woman holds a leveler against a wall, measuring for wallpaper. She applies the wallpaper one sheet at a time, balancing on a board. the final product

Ending1: is shown, the wall fully covered. Ending2: is taken apart, then fitted with the wallpaper underneath. Ending3: is shown on a tray. Ending4: is applied using the leveler.

Answer format: ending1/ending2/ending3/ending4