What is the most logical next event?

The person vacuums a carpet in the hallway of a home. The person turns off the vacuum then replaces the attachment with a larger one for carpets. the person

(1). removes the vacuum cleaner from a drawer after vacuuming a hallway floor.; (2). adjusts a knob on the vacuum cleaner.; (3). vacuums the carpet in the hallway until all the carpet is collected.; (4). vacuums the stairs then turns off the vacuum.;
(2).