Question: For what ride is Pepper's ghost, an illusion technique, used when the Blue Fairy disappears, leaving a pile of fiber-optic fairy dust on the floor?
{'answer': "Pinocchio's Daring Journey", 'supporting_facts': [["Pepper's ghost", 0], ["Pepper's ghost", 2], ["Pinocchio's Daring Journey", 0], ["Pinocchio's Daring Journey", 4]]}