Please choose the correct ending to complete the given sentence: Hanging wallpaper: The video is about wallwik and wallpaper removal system. It shows a woman removing wallpaper off the wall in a convenient and easy manner. she

Ending1: uses a brush and a machete to do it. Ending2: starts with bare wallnig which is then lined with real wallpaper. Ending3: then demonstrates the process using wallpaper spray and vegetable oil and other liquid materials. Ending4: is using a a scouring tool to scratch off the wallpaper from the wall.

Answer format: ending1/ending2/ending3/ending4