Answer:
To unravel me you need a simple key, no key that was made by locksmith's hand. But a key that only I will understand.
It is able to speak because it has a hard gone. You know what it is as soon as it has sung. What is it?
Many have heard it, but nobody has ever seen it. It will not speak until spoken to. What is it?
I have three hundred cattle, with a single nose cord
A doctor might remove one from the neck of a Dracula victim.
Why was the cook arrested?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?