What happens next?

A young boy sits in a chair with protective gown on and gets his hair cut with electric clippers by mom at home. The mother removes clipped hairs from the boys head with fingers. a girl

Pick from: (1). brushes the hair of her son who is standing in a chair. (2). then takes all the hair off the top of the final head. (3). is seen watching in the room. (4). combs the hair of the young boy while the mother gets his hair peeled with clippers.
(3).