Please choose the correct ending to complete the given sentence: Cleaning sink: A person is cleaning a sink with a pipe. They turn the faucet on. they

Ending1: take out the drain. Ending2: show how to dip a sponge into the water. Ending3: stick the pipe down the drain of the sink. Ending4: rinse the dishes in a water pot.

Answer format: ending1/ending2/ending3/ending4