llegal conduct materially contributed to the injury. Comfort Trane Air Conditioning v. Trane Ca, 592 F.2d 1373, 1383 (5th Cir.1979); r14] Alabama v. Blue Bird Body Co., Inc., 573 F.2d 309, 317 (5th Cir.1978); Terrell v. Household Goods Carriers' Bureau, 494 F.2d 16, 20 (5th Cir.), cert. dismissed, 419 U.S. 987, 95 S. Ct

egal conduct materially contributed to the injury. Comfort Trane Air Conditioning v. Trane Co., 592 F.2d 1373, 1383 (5th Cir.1979); ("14] Alabama v. Blue Bird Body Co., Inc., 573 F.2d 309, 317 (5th Cir.1978); Terrell v. Household Goods Carriers' Bureau, 494 F.2d 16, 20 (5th Cir.), cert. dismissed, 419 U.S. 987, 95 S. Ct