sentences:  Among the major political parties, the Social Democratic Party (SP/PS), the Green Party (GPS/PES), FDP.The Liberals (FDP/PLR), the Green Liberal Party (glp/pvl) and the Conservative Democratic Party (BDP/PBD) are in favour of LGBT rights including same-sex marriage, adoption and access to artificial insemination for lesbian couples, whereas the Swiss People's Party (SVP/UDC) is generally opposed.Despite its large Catholic and socially conservative base, the Christian Democratic People's Party (CVP/PDC) has become increasingly supportive of same-sex marriage and LGBT rights in recent years.A 2019 survey showed that about 83% of CVP candidates running in the federal election in October were in favour of same-sex marriage.