Not air, not water, nor fire or earth Neither the woman who once gave you birth (even though she might be a dancer).

My final request i will ask of you is,
When I ask for your answer you must answer me this
Not air, not water, nor fire or earth
Neither the woman who once gave you birth
(even though she might be a dancer).
I ask you now. What is your answer?

Any one any clues as to what the answer to this riddle is?