It's definitely something to be left to the court.....Us mere mortals will no doubt continue to argue the points even when the decision is made.
An entitlement is a guarantee of access to benefits based on established rights or by legislation. A "right" is itself an entitlement associated with a moral or social principle, such that an "entitlement" is a provision made in accordance with legal framework of a society. Typically, entitlements are laws based on concepts of principle ("rights") which are themselves based in concepts of social equality or enfranchisement.
If nothing else it will be interesting.