William, who had previously been writing down everything Professor Scabior had been saying, as well as his peers' answers, was getting tired of writing. Just as he had lowered his quill, he decided to raise his hand, which seldom ever happened.
"Professor," he said before coughing. "Wouldn't the Chamber of Secrets be just a gigantic system of pipes with large caverns included? The Basilisk was able to attack the students way back in 1993 because it could travel through the plumbing. And – ACHOO!" the poor second year was cut off by a violent series of sneezes. No matter where he went, he couldn't evade some sort of allergy. Deciding he had said enough, he remained silent and waited for the Professor to continue.