Although he recognised vaguely that Miss Fraser was different to most of the little ladies at Hogwarts, Clue knew that she had an evident degree of etiquette; certainly more than he had. So it was quite possible that her conversational skills were just that: skills. Clue, on the other hand, spoke not out of courtesy or awareness of conversational structure, but out of cold, honest interest when he posed questions such as — "who is the most powerful soul you know?"