Original sentence: Private members, the Greens party and the Democrats party have tried to add "sexuality" and/or "gender identity" to this list above, which has always failed to pass at least one house since 1991 through to today due to a lack of sufficient support from the major political parties
Edited sentence: Private members, the Greens party and the Democrats party have tried to add "sexuality" and/or "gender identity" to this list above, which has always failed to pass at least one house since 1991 through to today