NOTE: Do not attempt to solve this problem until you have covered

;; the How to Design Functions $($HtDF$)$ design recipe in lecture.

;;

;; Design a function called taller$-$image that consumes two images and produces

;; the image that has the greater height.

;;

;; NOTE:

;; When you design this function you will run into one or more design choices

;; about what the function should produce in certain cases. If you make a

;; choice that is not what the autograder wants to see then you will get

;; feedback that your tests are not valid $-$ they don't match the behaviour we

;; are looking for. Use this feature of the autograder to save you time.

;; First write your signature, stub and check$-$expects. Then submit to the

;; autograder and see if your tests are valid and thorough $-$ if so then you

;; know you are on the write track. If not, change the tests and re$-$submit

;; until they are valid and thorough.

;;

;;

;; Note that the template origin tag for a function that consumes two images is:

;;

;; $($@template$-$origin Image$)$

;;

;; and the template itself is:

;;

;; $($define $($taller$-$image i$1$ i$2)$

;; $(...$ i$1$ i$2))$

;;

;$($@htdf taller$-$image$)$ ;Uncomment this line when you start the problem.