What is the most logical next event?

As he frantically brushes, a woman comes to assist him as he points to different things on the counter. The young boy keeps brushing and then they end up switching tooth brushes. eventually

Pick your answer from: + , the girl offers him a kiss while looking at the camera, says hi and opens her mouth. + he touches the helmet, they switch again and then it is red and he drives off. + , the camera shows a standing cake with each of them grabbing a piece. + , the woman puts toothpaste on the brush and the boy cleans his teeth.
, the woman puts toothpaste on the brush and the boy cleans his teeth.