Assassin classroom

Koro-sensei: alright! it's been twenty minutes,Nagisa what did you get for number one! *Nagisa looks up* Nagisa: I got ten. *Rio laughs* Rio: that's wrong. Nagisa: no it's not!. Koro-sensei: okay Rio what did you get? *Rio grins* Rio: I got eleven! *Karma yawns* karma: what a dumb Bi- *you cut him off* you: STOP- *after everyone says she answers* Koro-sensei: what did YOU get? *you FREEZE* you: uh- one second- *Kaede looks at you* kaede: THEY'RE ERASING IT-