FTFY.
May be a NO IDEA option needed
How about a “DON’T CARE” option, because it really will not make any long-term difference. Or perhaps an option marked:
WTF?
That’s just a don’t vote
Dude, there’s my option!
as there are clearly only 2 options if wanna vote 
Voting votaries at the altar of democracy should pause to excogitate on the implications.
Don’t make life to difficult for our headmaster of the WO 
Eh... If he wanted a poll that would keep people excited, I suppose that he succeeded.