all you need to do is prove that any Yamaha is safer than the rest and you will have persuaded 80% of the people...
yfz- great balance and wide stance
raptor 700r- manageable power + efi (saves gas so hippies love it)
banshee- has a soft seat
opposing argument : the banshee is a monstrously fast machine!! thats not safe!!... then you say: it is for experienced riders only
hope this helps...
ps: what class is this for man?....when i have a speech it is usually about some political issue like illegal immigrants, global warming, and the war in Iraq...