Answer:
This is a dead giveaway
It can be clear like water, but it burns like fire.
I am always hungry, I must always be fed. The finger I lick will soon turn red.
What is it that you ought to keep after you have given it to someone else?
I never was but am always to be, and everyone looks forward to me
If all Wibbles are Criggles, all Borkins are Kwumblins, no Hoggles are Borkins, and all Criggles are Borkins, is it true that all Borkins are Criggles?