I used to work for a very well-known entertainment company that runs amusement parks (among other things) and I like to share the "secrets" of their most famous park with the students.

Mrs. B: Okay, you know when you walk by the candy store and you smell all that great candy? That isn't real. They pump that scent into the air so you'll want to go in and buy candy from them.

Jake: (incredulously) THOSE LIARS!