Correct option is C
Given: 'SUPERIOR' is written as 'SNHSDQTT and 'STUNNING' is written as 'HOHOOTUT'

Logic: Each consonant increased by 1, each vowel decreased by 1. The resultant alphabets are arranged backward to form the code.
As,
S+1=T, U-1=T, P+1=Q, E-1=D, R+1=S, I-1=H, O-1=N, R+1=S
Now, TTQDSHNS is arranged backward to get SNHSDQTT.
and
S+1=T, T+1=U, U-1=T, N+1=O, N+1=O, I-1=H, N+1=O, G+1=H
TUTOOHOH arranged backward to get HOHOOTUT.
Similarly,
S+1=T, T+1=U, R+1=S, A-1=Z, T+1=U, E-1=D, G+1=H, Y+1=Z
TUSZUDHZ arranged backward to get ZHDUZSUT.
Thus, correct option is (c).
