input question: Remove pet hair from jeans.

output answer: Wet towel with hair spray, then rub pants.

input question: When do I know when the pancake is cooked ?

output answer: When the pancake is solidified on the surface, cut the pancake in 4 and flip them in the pan, to speed up the process you can tip the pan to let the liquid go under the solid parts of the pancake.

input question: Where to keep a pistol inside the house?

output answer:
The pistol should be kept locked up in a safe place so that children or potential intruders don't get hold of it.