Premise: Texas Monthly v. Bullock 489 U.S. 1 (1989) was a case brought before the US Supreme Court in November 1988. The case (initiated by the publishers of "Texas Monthly", a well-known general-interest magazine in Texas) was to test the legality of a Texas statute that exempted religious publications from paying state sales tax.
Hypothesis: Texas Monthly v. Bullock 489 U.S. 1 (1989) was a Supreme Court case that occurred before 1988.