Please choose the correct ending to complete the given sentence: Washing hands: A woman stands next to him. The little boy washes his hands in the sink. She wipes the sink with a paper towel. the boy

Ending1: rinses his hands, walks to the counter and pours water on his hands. Ending2: dries his hands with a towel. Ending3: then rinses his hands and looks up. Ending4: resumes washing his hands.

Answer format: ending1/ending2/ending3/ending4