Q:

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.

GOOD : HSXT :: BEST : CIBJ :: COOL : ?

• 1
  DSSB
• 2
  DSXZ
• 3
  DSZB
• 4
  DSXB