Please choose the correct ending to complete the given sentence: Brushing teeth: A lady holds a toothbrush as a child sits on a counter. The lady brushes the boys teeth. She finishes and the little boy smiles. the lady

Ending1: holds up a toothbrush as a thank you. Ending2: backs away and the child puts a pacifier in his mouth. Ending3: then brushes him teeth again. Ending4: brushes the boys teeth.

Answer format: ending1/ending2/ending3/ending4