What is the most logical next event?

A person extends their hands out towards the faucet. They turn on the faucet and wet their hands. The person pumps soap into their hands. the person

Options are:
1). scrubs their hands with a scrubbing brush..
2). rubs soap on their hands at their sides..
3). resumes drying their hands afterwards..
4). scrubs their hands thoroughly with the soap..
4).