Please choose the correct ending to complete the given sentence: Brushing teeth: The boy dances his feet on a wood floor. Toothpaste is applied to the toothbrush and handed to the boy. a boy

Ending1: washes his teeth in a yellow bucket. Ending2: brushes and shaves his teeth. Ending3: combs his teeth in front of a mirror. Ending4: brushes his teeth with an electric toothbrush.

Answer format: ending1/ending2/ending3/ending4