"'[i]The enemy of my enemy is my friend,[/i]'" Siobhan quoted. "We might be able to provoke her into something in Potions. Maybe a prank? Flobberworms..." She fell silent quickly, trailing off as the unrecognisable voices passed by outside. She had been certain the corridor would be empty -- that nobody would use it! She held her breath as they must've turned into a room nearby, watching Kyle curiously at his surprise. Did he know them?

Speaking in hushed tones, she asked, "What was that all about, d'you think?" It sounded serious -- similar to the way they discussed own situation with Snape, vaguely.