Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to clean smelly sneakers [title] Wash your sneakers by hand. [step] Take a bit of soap and water and scrub them down. Then, using a hair dryer and towel, dry them off.

Ending1: You don't want to leave the sneakers in your bathroom for long periods of time. Make sure all of the dirt is gone, and dry them off thoroughly with a soft rag. Ending2: If the stains are not that obvious, you may need to use an eraser to rub them until the stains disappear. [title] Try rubbing a cup of baking soda over your stained sneakers. Ending3: Be sure to rinse them thoroughly, as the soap will remove the odor. [substeps] Use detergent designed for synthetic materials as it will not only remove the odor, but can strip wet shoes of oils and moisture. Ending4: Be sure to scrub carefully so that you don't damage the shoe. [substeps] Consider using bleach to help.

Answer format: ending1/ending2/ending3/ending4