The correct option is
A A-
1, B-
2, C-
3A-1 , B-2 , C-3.
A posteriori, in this happening of an event is dependent upon the cause. They are interlinked and behave as a close relationship.
A priori is also a same is opposite of posteriori.
Arbitration is an method if which disputes are solved by the parties or people outside the code without any legal proceedings.