This is Scheme Programming language question. Question 3. [4 points] Write a function get-vowels-sc that consumes the string astring and produces a new string containing only the vowels from the consumed string in same order. The vowels in the string that is produced are in a different case. In other words, if the letter from the original string was a lowercase vowel, then the string will contain an upper case vowel. If the original string had an uppercase vowel then the produced string will have a lowercase vowel. The vowels are: a(A), e(E), i(I), o(O), u(U). For example: (get-vowels-sc "A big hello world!") produces "aIEOO" and