It can't be the case that both Monica Lewinsky and President Clinton were telling the whole truth. But since he was not, it must be that she was. Categorical Reasoning 1. A few rock musicians are weird people. No vampires give at the office.
Every elf drinks stout.
Critical thinking students are especially prone to psychosis. Some advertisers are not sneaky people. Some young children are barbarians. Every Bach organ concerto is sublime. Not a single vampire owns stock in a silver mine.