- not prevail as a matter of law." Evans v. Technologies Applications & Serv. Co., 80 F2d 954, 958-59 (4th Cir.1996); Ennis v. Nat Asa of Bus. and Edna Redick Inc., 53 F.3d, 55, 62 (4th Cir.1995) (requiring the plaintiff point to "any circumstance surrounding .. . discharge that credibly raises an inference