Question: What state is the setting for the  Mardi Gras Mystery, the 81st book in the Nancy Drew mystery series?
Sentence (from "Sydney Gay and Lesbian Mardi Gras"): It is one of the largest such festivals in the world, and includes a variety of events such as the Sydney Mardi Gras Parade and Party, Bondi Beach Drag Races, Harbour Party, the academic discussion panel "Queer Thinking", Mardi Gras Film Festival, as well as Fair Day, which attracts 70,000 people to Victoria Park, Sydney.
Relevant evidence: No