You've just started college and are really starting to love the place. It's been a few weeks now, but you always get the feeling that someone is watching your every move in the gym room. For some reason, the culprit is never found. Oh well, it's probably just your imagination... You and the other students walk up to Coach David to see what he has planned. He's quite intimidating. With a voice like thunder.

"Alright class, listen up! Last year someone turned a ball into an explosive."