Question: What rock band signed to Def American Recordings in 1989, shipped 500,000 copies of their third album reaching gold status? 
Sentence (from "Amorica"): The record notably featured a sexually explicit cover that displayed a woman's crotch wearing a United States flag thong with pubic hair sticking out, taken from the cover of the July 1976 issue of "Hustler" magazine.
Relevant evidence: No