<human>: What is the best way to: How to whiten your nails after getting rid of the dirt in them.

OPTIONS:
- Soak your hands in soap and water for a few minutes then dry them with a towel.
- Soak your hands in soap and water for a few minutes, then dry them off with a hair dryer.
<bot>: Soak your hands in soap and water for a few minutes then dry them with a towel.