Please choose the correct ending to complete the given sentence: Cleaning sink: Some one pours baking soda down a drain. The person holds the box of baking soda up the the camera. the person

Ending1: pours the baking soda into some contact lenses. Ending2: puts some of the baking soda inside the pan. Ending3: replaces the baking soda with alcohol. Ending4: then continues to pour baking soda all over the inside of the sink.

Answer format: ending1/ending2/ending3/ending4