plz answer it in Assembly 8086 urgently needed. please

Num Lock Home Question 1: [7 + 15 + 3 Marks] Write a program which determines the number of characters in a string A which do not exist in another string B. a) You are required to create a macro named inputString which takes input in a string from keyboard b) Define at least one procedure named missing_In_B in order to meet the given requirements. c) Test your program in the main procedure. ! Sample Output: Enter String A: MUGHEES Enter String B: AHMAD Missing Elements in B: U, G, E, E, S