WXY72 : ZAB29 :: CDE12 : FGH21 :: IJK30 : ?
5Select 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.
WXY72 : ZAB29 :: CDE12 : FGH21 :: IJK30 : ?