Gryffindor: While everyone was cheering while playing fireworks, Ravenclaw kept yelling, "Strontium carbonate!" "Calcium chloride!" "Sodium nitrate!" "Barium chloride!" "Copper chloride!"

Hufflepuff: What's that?

Gryffindor: Chemical substances inside of fireworks, based on color.

Slytherin: What a way to ruin fireworks.