Please choose the correct ending to complete the given sentence: Brushing teeth: A toothbrush appears on screen while brushing a set of false teeth, the words "modified bass" are overlaid. The man talks while the woman brushes her teeth. the toothbrush

Ending1: touches and occasionally pierces the different parts of her teeth. Ending2: mixes with white water and more words appear. Ending3: then appears and the man speaks again to the model again, with his attempt to brush fully now enters the dron and the woman motions for them to return. Ending4: returns to brush the false teeth.

Answer format: ending1/ending2/ending3/ending4