Complex sentence: However, transgender advocacy groups in the United States have taken up the cause of unisex bathrooms, as they see unisex bathrooms as a solution to eliminate harassment and other inconveniences for transsexuals experienced when using conventional bathrooms.
Split into simpler sentences: However, transgender advocacy groups in the United States have taken up the cause of unisex bathrooms. They see unisex bathrooms as a solution to eliminate harassment and other inconveniences for transsexuals in using conventional bathrooms.