Alex: I'm sure that Cynthia took my candy.
Mike: Cynthia? There's no way she took it.
Alex: I think she did! She was at school yesterday.
Mike: So was everyone else! It's a big school.
Alex: She likes candy.
Mike: Lots of people like candy. I think you're barking up the wrong tree.
Alex: Wait a minute. Why are you so sure she didn't take it?