Charlie is blue. Charlie is quiet. Charlie is smart. Charlie is not white. Erin is not nice. Erin is not quiet. Erin is not rough. Erin is round. Erin is not smart. Erin is white. Gary is not blue. Harry is nice. Harry is round. Harry is smart. Harry is white. White, round things are blue. If Charlie is nice then Charlie is not blue.
Erin is not blue.