In the given letter-cluster pairs, the first letter-cluster is related to the second letter-cluster following a certain logic. Select the pair that follows the same logic.
PRO : LJM
ZEN : BWN
AGUN : UGM
BKLP : QPL
CNYZ : MCB
DDEN : WWN
AGUN : UGM
BKLP : QPL
CNYZ : MCB
DDEN : WWN
Related Questions:
Select the set in which the numbers are related in the same way as are the numbers of the following set.
(7, 30, 40)