How do you get in the right door undead survival test?

In order for you to get into the right door you must solve a riddle. Below is the riddle you need to solve:

Riddle:

I am always hungry,

I must always be fed,

The finger I touch

Will soon turn red.

Hint: Think of something you would use in the kitchen.

Answer:

Fire

After solving the riddle and giving the correct answer you will be allowed into the right door.