input question: To get sweat stains out of clothing when washing them,

output answer: soak the clothing in lemon juice before washing them.

input question: how do you dry a phone that has been submerged in water?

output answer: wipe it off and place it in rice for two hours.

input question: make crisp french fries

output answer:
after cutting, let the raw potatoes stand in cold water for at least 30 minutes before frying