Ron felt infuriated at her dismissive attitude. "You don't know what you're talking about! Grims scare the living daylights out of most wizards!"
"There you are, then," said Hermione in a superior tone. "A wizard sees a Grim and dies of fright. The Grim isn't an omen, then, it's a cause of death! As long as you're not stupid enough to actually believe you're going to kick the bucket, you're fine!"
Ron opened and closed his mouth wordlessly. Then he looked at Harry in mute appeal. Harry shrugged.
"What I want to know is if Professor Trelawney really has the Inner Eye or whatever, then why didn't she know the real reason why we're interviewing her? I mean, wouldn't she be offended that we think she's a thief?"
There was a moment of blank silence. Then the four of them laughed uproariously.
"You're right!" cried Ron. "I totally forgot about that!"
"So she's a fraud!" said Hermione triumphantly. "I knew it!"
"She's likely honestly deluded," John said. "Anyway, if the stuff actually works, and your teacher can really see the future, then she wouldn't be teaching young, impressionable students how to read tea leaves. She'll put her money where her mouth is, and play the market. Or work as a government-sponsored seer. No politician worth their salt is going to let a real Seer loose."
"So that's that," said Harry after they said goodbye to John. "I think we can cross off Professor Trelawney. She's no planner and opportunist. Drama queen, yeah, but not a planner."