sentences:  Opinions on same-sex marriage have considerably changed since then.A 2009 survey by the Catholic University of Portugal revealed that 42% of respondents were in favour of same-sex marriage and another survey by Eurosondagem, Rádio Renascença, SIC TV, and the "Expresso" newspaper stated that about 52% of the Portuguese public were in favour of same-sex marriages.An Angus Reid poll on 11 January 2010 showed that 45.5% of those polled were in support of same-sex marriage, but this was less than the 49.3% that opposed.