Please choose the correct ending to complete the given sentence: Hanging wallpaper: This video shows viewers how to apply self stick wallpaper. First he applies the wallpaper and explains how to cut it properly. then he

Ending1: pierces the seam down the middle to make sure it is smooth. Ending2: ions it and use a knife to cut a bit of the first inch. Ending3: takes the wallpaper down and applies it at regular intervals to the wall. Ending4: gives other helpful tips of how to put the wallpaper onto the wall and he smoothens it out.

Answer format: ending1/ending2/ending3/ending4