Please choose the correct ending to complete the given sentence: Brushing teeth: A young man is seen looking into the camera holding a toothbrush. the man

Ending1: then begins brushing his teeth while looking back to the camera and laughing. Ending2: then begins rubbing the brush all over his face. Ending3: brushes his teeth using his mouth while giving photos to the camera. Ending4: then begins brushing his teeth in several shots.

Answer format: ending1/ending2/ending3/ending4