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.

DAT: GFA:: BNT: ESA:: PUN: ?

SZU

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

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

DAT: GFA:: BNT: ESA:: PUN: ?

The  logic followed here is :

D → (+3) → G

A → (+5) → F

T → (+7) → A

AND

B → (+3) → E

N → (+5) → S

T → (+7) → A

SIMILARLY

P → (+3) → S

U → (+5) → Z

N → (+7) → U