Answer:
I'm the source of all emotion, but I'm caged in a white prison.
The buyer doesn’t want it, the producer doesn’t need it and the user doesn’t know their using it.
What calls for help, when written in capital letters, is the same forwards, backwards and upside down?
Even if you throw it away, it still comes back.
This sparkling globe can float on water. It is light as a feather, but ten giants can't pick it up.
Why was the cook arrested?