Write the next sentence in the following story.

A man sits on carpeted stairs and talks to a camera while pointing to the creases in the stairs. the man

OPT:
(1). starts ironing a yellow shirt while walking to the bed..
(2). counts them and clears them before starting to climb..
(3). pulls out a knife and starts pulling the carpet away from the stairs with his gloved hands..
(4). puts his shoes on the stairs... The answer should be
(3).