Hermione blinked at the response, not so much for its brusqueness, but for the incomprehensible information it contained. A witch was a specific type of magic user here? And no one knows what a wizard is? And, most importantly, "They're being locked away? Is it just for knowing magic or because they'd done something? I can understand it if they'd actively done something wrong, but if they hadn't, surely there's no reason to keep them locked up!"