i have a social network site and wanted to give ads in google and accept to pay 40 usd in a day during 10 days and my slogan was find your soulmate , but google rejected it and they said me it is not good for young user, but other porn social networks sites r using google ads, :-) so those porn sites r not harmful for the young users

Report them and Google will take that down as well.

Yeah, you need to report them to Google.

open up a non-pron website. apply for adsense on that site with email from that domain. once approved, use it on social site.

funny enough google allows you buy ads on those adult keywords.

have this clarified to google... communicate to them.