Under Special Reaction Conditions $\alpha$ -Pinene And $\beta$ -Pinene Can Be in Equilibrium (Caused to Interconvert Reversibly)

Under special reaction conditions, $\alpha$ -pinene and $\beta$ -pinene can be in equilibrium (caused to interconvert reversibly) .Using your knowledge of alkene stability,which of the following would be true at equilibrium?

A) The $\alpha$ -isomer will predominate.
B) The $\beta$ -isomer will predominate.
C) The isomers would be equally favored.
D) A third isomer would predominate.
E) None of the above is true.