the spice extend life!
the spice expand conciousness!
the spice is vital to space travel!
sooooo.. tell me what you want, waht you really-really want
I will proceed directly to the intravenous injection of hard drugs, please.
A mutually exclusive poll would be where none of the answers conflict, for instance, Yes or No. In a non-mutually exclusive poll the answers conflict as several of them may be true at once or they all be false. Most polls seem to make this mistake and you end up with someone saying 'I can't vote in this poll because my view is not covered by any of the options/more than one option'.