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“Watch carefully… one small prank in this classroom… and the wrong person gets punished. Normal class, everything calm… teacher’s explaining on the board. Then suddenly, one guy pulls out a lighter and brings it close to his friend—just for fun. At first it seems like a joke… but the guy in front notices and turns around like, ‘What are you doing?!’ Now it starts getting awkward… a few students look back… tension builds. And then— The teacher senses something’s wrong. He walks over quickly… no q