<human>: What is the best way to: how to get rid of yellow stains

OPTIONS:
- mix ¼ cup salt and ¼ cup baking soda with 1 gallon water in a large cooking pot. Add the yellowed items and freeze in a deep freezer for 1 hour.
- mix ¼ cup salt and ¼ cup baking soda with 1 gallon water in a large cooking pot. Add the yellowed items and boil for 1 hour.
<bot>: mix ¼ cup salt and ¼ cup baking soda with 1 gallon water in a large cooking pot. Add the yellowed items and boil for 1 hour.