Please choose the correct ending to complete the given sentence: Washing hands: The video is how to properly wash your hands. water

Ending1: runs into a bucket with soap using a toothbrush. Ending2: is pumped onto the hands and the hands wash the dishes in the sink. Ending3: runs and then soap is added. Ending4: is poured in a sink and is rubbed under a faucet.

Answer format: ending1/ending2/ending3/ending4