input question: how do you use mouthwash?

output answer: pour some in you mouth after brushing your teeth and gurgle it then spit it out and rinse with water.

input question: How to Remove Ink Stains from Wood Furniture

output answer: Make a cleaning solution using dish soap. Test the finish. Gather some of the soap suds with a soft cloth.Then, gently wipe the ink stain with the soapy cloth. Follow up with a clean, damp cloth to rinse it off, then dry the area with a clean towel.

input question: Prevent boiling water from overflow.

output answer:
Place a wire cooling rack on top of pot.