Please choose the correct ending to complete the given sentence: Cleaning sink: A woman is doing a tutorial on how to clean a kitchen sink with baking soda, a toothbrush and cloth rag. She first takes some baking soda on the rag and scrubs it on the sink. then she

Ending1: takes the toothbrush and dips it in the baking soda. Ending2: uses the rag to scrub face clean, while she talks and plays some more. Ending3: wipes the kitchen sink clean of baking soda and water vapor and wipes it off with a cloth. Ending4: adds the baking soda to the frozen yogurt and toasts it to health.

Answer format: ending1/ending2/ending3/ending4