Select the option that is related to the fifth letter-cluster in the same way as the first letter-cluster is related to the second letter-cluster and the third letter-cluster is related to the fourth letter-cluster.
JRPI : FPLG :: WFPM : SDLK :: TIWO : ?
1
QGSM
2
PGSM
3
PHSN
4
PGTM