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
FINE ∶ GKQI ∶ ∶ MOST ∶ NQVX ∶ ∶ SEAL ∶ ?
1
PGTD
2
TGPD
3
TPGD
4
TGDP