Please choose the correct ending to complete the given sentence: Washing hands: The surgeon then rubs the palms together and builds a lather. He then rubs back of hand with palm. the surgeon

Ending1: then uses a cleaning solution on the area to dry. Ending2: then rubs the back of fingers with hands. Ending3: then washes his paper cut palms and puts it back. Ending4: then pours clean stone on the palms of his hands and rubs the cream on it.

Answer format: ending1/ending2/ending3/ending4