One break of indeterminate length later, Twilight got back to roll. "If you can hear me clop once."

*CLOP!*

A few ponies clopped.

"If you can hear me clop twice!"

*CLOP! CLOP!*

Better, more of the room was starting to listen...

"If you can hear me clop thrice!"

There was indistinct clopping.

"Okay okay fine. If you can hear me clop three times."

*CLOP! CLOP! CLOP!*

This time those confused by the word "thrice" complied and most of the room clopped.

"Last one, if you can hear me, clop four times."

*CLOP! CLOP! CLOP! CLOP!*

The room was quiet. Twilight Sparkle was happy. "Okay guys, that's enough clopping; back to roll call. Let's see, where was I?... Ah yes! Ah... this chapter? Ewwww, gross, and nasty. Though actually, I wonder if... Hmmm, there would be a lot of cool things I could do working with myself. So many hypotheses to try! Oh wait, I would remember if I visited myself in the past. Unless... I used a memory-wiping spell! BWAHAHAHAHAHAAAA!!!!...Ha?''

The crowd was staring at her. "Eh heh heh... heh... moving on..."