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

STV20 : WXZ24 :: ABD2 : EFH6 :: IJL10 : ?

MNP14

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

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

STV20 : WXZ24 :: ABD2 : EFH6 :: IJL10 : ?

The  logic followed here is :

S → (+4) → W

T → (+4) → X

V → (+4) → Z

20 → (+4) → 24

AND

A → (+4) → E

B → (+4) → F

D → (+4) → H

2 → (+4) → 6

SIMILARLY

I → (+4) → M

J → (+4) → N

L  → (+4) → P

10 → (+4) → 14