Please choose the correct ending to complete the given sentence: Hanging wallpaper: Man is standing in a room milling one of the wall. Man is showing to the camera hot to mill a wall. man

Ending1: is walking in a small room that have a plastic on the floor to not mess up the floor. Ending2: is freeuting a piece of wall paper and is entering a room and presses to the wall. Ending3: get the wall in the wall and start decoration. Ending4: is pouring on a flexible wallpaper and welding.

Answer format: ending1/ending2/ending3/ending4