What file do you wish to open => Error: unable to open bob. What file do you wish to open => Easy, what everyone knows how to do! 1, 2, 3, 4, 5 Can you count down? 5, 4, 3, 2, 1 Can you skip by 2? 1, 3, 5 Can you skip by 2 counting down? 7, 5, 3 Can you count a single thing? 1 Error in skip factor Error: Incorrect skip factor.