Complex sentence: In 1991 a transgender woman named Nancy Burkholder was removed from the Michigan Womyn's Music Festival when security guards realized she was transgender; every year since then, there has been a demonstration against the Festival's women-born-women only policy.
Split into simpler sentences: In 1991 a transgender woman named Nancy Burkholder was removed from the Michigan Womyn's Music Festival when security guards realized she was transgender. Every year since then, there has been a demonstration against the Festival's women-born-women only policy.