Please choose the correct ending to complete the given sentence: Brushing teeth: The boy briefly stops dancing and his brushing his teeth and just stares at himself in the mirror. the boy

Ending1: starts dancing and brushing his teeth again, spits in the sink brushes his teeth again and continues to dance. Ending2: takes a step in the mirror again and holds only one leg in the mirror and then drops it. Ending3: raises his right hand to look himself as if that's his still putting clothes on his mouth. Ending4: then at last stops brushing his teeth and looks to the mirror and smiles again.

Answer format: ending1/ending2/ending3/ending4