Question: Which magazine based on the book written by Rosita Sweetman, was the first women-run erotica magazine to feature erotica for a lesbian audience in the United States, and shared the same publisher as the woman's magazine "Girlfriends".
Sentence (from "On Our Backs"): On Our Backs was the first women-run erotica magazine and the first magazine to feature lesbian erotica for a lesbian audience in the United States.
Relevant evidence: Yes