With no explanation, chose the best option from "A", "B", "C" or "D". v. Lamson & Sessions Co., 948 F.2d 1037, 1039-40 (6th Cir.1991). However, legal conclusions or unwarranted factual inferences should not be accepted as true. Lewis, 135 F.3d at 405. III. Analysis A. Section 1983 claim Under 42 U.S.C. § 1983, a plaintiff must show that a defendant acting under color of state law deprived the plaintiff of his or her constitutional rights. Section 1983 is not the source of any substantive right, but merely provides a method for vindicating federal rights elsewhere conferred. Graham v. Connor, 490 U.S. 386, 393-94, 109 S.Ct. 1865, 1870, 104 L.Ed.2d 443 (1989). A municipality is subject to liability only if a claimant’s constitutional rights have been violated. City of Los Angeles v. Heller, 475 U.S. 796, 799, 106 S.Ct. 1571, 1573, 89 L.Ed.2d 806 (1986) (<HOLDING>). Accordingly, finding municipal liability

A: holding that in the fourth amendment context absolving the individual officer of liability shields the municipality from liability
B: holding that an individual is immune from antitrust liability for exercising first amendment right to petition the government
C: holding that there is no individual liability under title vii
D: holding that legislative immunity shields an official from liability if the act in question was undertaken in the sphere of legitimate legislative activity
A.