Select the option that is related to the fifth letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster and the fourth letter-cluster is related to the third letter-cluster.

WINDOW : XFOELX :: TICKET : UFDLBU :: REGION : ?

SBHFLO

A   B   C    D   E    F   G    H    I    J    K    L   M

 ↓    ↓    ↓    ↓    ↓     ↓   ↓    ↓     ↓   ↓    ↓    ↓    ↓

 Z   Y    X   W   V    U   T    S    R   Q   P    O   N

26  25  24  23  22  21  20  19  18  17  16  15  14

******************************************

WINDOW : XFOELX :: TICKET : UFDLBU :: REGION : ?

The logic followed here is :

W → (+1) → A

I → (-3) → M

N → (+1) → H

D → (+1) → H

O → (-3) → M

W → (+1) → H

AND

T → (+1) → U

I → (-3) → F

C → (+1) → D

K → (+1) → L

E → (-3) → B

T → (+1) → U

SIMILARLY

R → (+1) → S

E → (-3) → B

G → (+1) → H

I  → (+1) → F

O → (-3) → L

N → (+1) → O