Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster. ROBY : TJDT :: GAIN : ?

IVKI IUKJ IUKI IVKJ

IVKI

ROBY : TJDT :: GAIN : ? The logic followed here is : R → (+2) → T O → (-5) → J B → (+2) → D Y  → (-5) → T SIMILARLY G → (+2) → I A  → (-5) → V I → (+2) → K N  → (-5) → I