Please choose the correct ending to complete the given sentence: Installing carpet: A man is shown applying tact to the back of a piece of tile. After, he beings to apply it down on the floor until it is covered. another box

Ending1: appears with flags on it. Ending2: is was shown and. Ending3: is shown and the three men then explain the technique. Ending4: is then opened and the process is continued.

Answer format: ending1/ending2/ending3/ending4