Garrett Inc., an oil retailer, claimed its Clear Index gasoline cleaned car engines, boosted mileage, and reduced pollution emissions better than any other gas. Vaughn Corp., an energy corporation, contended that its products were just as good as Garrett's. The _____ is likely to make it easier for Vaughn to sue Garrett for this perceived misrepresentation.

a. Wheeler-Lea Amendment
b. Federal Trade Commission Improvements Act
c. Clayton Antitrust Act
d. Lanham Act
e. Competitor Trademark Act