What is the code for ‘well’ in the given code language ?

The common word in the second and third statements is 'prepare' coded as = 'nt'

Also, the common word in the first two statements (except prepare) is 'for' coded as = 'oz'

Similarly, common word in first and third statements is 'your' coded as = 'xn'

=> Only word left in 1st statement is 'exam' coded as = 'wl'

Also, common word in second and last statements is 'work' coded as = 'ml'

=> Only word left in 2nd statement is 'hard' coded as = 'tk'

Similarly, common word in last two statements is 'well' coded as = 'jk'

=> Only word left in 3rd statements is 'study' coded as = 'sd'

Also, in 4th statement, codes for 'best' or 'result' = either 'ds' or 'lu'

Thus, the code for ‘well’ = jk

=> Ans - (C)