In the B$.$C$.$ Government and Service Employees' Union case, the union had the legal obligation of proving which of the following to the court:

Select one:

a$.$ That the fitness test was a BFOR

b$.$ That the uniform requirements for fire fighters was reasonable

c$.$ That the right to fish in $BC$ rivers should be restricted

d$.$ That the right to fish in $BC$ rivers cannot be restricted to specific groups of persons

e$.$ None of the other answers is correct