Which TWO of the following are reasons for dismissal which must be justified as FAIR?

(1) Capability or qualifications of the employee
(2) Legal prohibitions relating to the employee
(3) Refusal of the employee to join a trade union
(4) Taking part in unofficial industrial action

A (1) and (2)
B (1) and (3)
C (2) and (3)
D (2) and (4)