Please choose the correct ending to complete the given sentence: Cleaning sink: The person sprays down the stainless steel sink with detergent in a spray bottle. A sponge is used to scrub the sing with the cleaning solution. the faucet

Ending1: is turned on to sterilize the sink. Ending2: is turned on to wipe off the excess water. Ending3: is turned on and the faucet is spray washed. Ending4: is turned on and is used to rinse out the sink.

Answer format: ending1/ending2/ending3/ending4