Question: Which character in Harry Potter and the Prisoner of Azkaban helped Harry rescue Hermione Granger from a troll?
Sentence (from "Fantastic Beasts and Where to Find Them"): The original version purports to be Harry Potter's copy of the textbook of the same name mentioned in "Harry Potter and the Philosopher's Stone" (or "Harry Potter and the Sorcerer's Stone" in the US), the first novel of the "Harry Potter" series.
Relevant evidence: No