(Jupiter : Planet) , (Musician : Artist) , (Merchant : Business) , (Maize : Cereal)
Option:
Justification: In all other pairs, second denotes the class to which the first belongs.

(Jupiter : Planet) , (Musician : Artist) , (Merchant : Business) , (Maize : Cereal)
Justification: In all other pairs, second denotes the class to which the first belongs.