If these citations appeared after a trial court decision, which one means that the decision was overruled? Oa. Affd633 F.2d 512 (CA-7, 1980). Ob. Remd 399 F.2d 800 (CA-5, 1968). Oc. Afra 914 F.2d 396 (CA-3, 1990). Od. Rev'd 935 F.2d 203 (CA-S, 1991)