Please choose the correct ending to complete the given sentence: Cleaning sink: She first takes some baking soda on the rag and scrubs it on the sink. Then she takes the toothbrush and dips it in the baking soda. she

Ending1: uses the brush to scrape it on the cloth then puts the paper towel on the rag. Ending2: brushes the toothbrush on the sink edges to clean it. Ending3: takes a bite of the soda and tastes it. Ending4: then rubs it onto her face and starts to pack her baking soda in cups.

Answer format: ending1/ending2/ending3/ending4