input question: How do I boil water?

output answer: Place some water into a pot, place it on the stove, turn the burner up to high and wait for the water to boil.

input question: To prevent a sandwich from getting soggy inside a sandwich bag,

output answer: put the sandwich inside of paper towels before putting it in the bag.

input question: How to smooth down antique furniture.

output answer:
Use sander to smooth down furniture exterior.