What is this sub?

I just got on and I saw someone post this<br><br>>Yellow card: allowed, marked as inappropriate<br>><br>>Red card: removed, considered dirty, user gets a warning<br>><br>>Orange card: removed, not dirty, user gets a warning<br>><br>><br>>Dirty posts include (but not limited to): Porn (real and/or fake), Nudity, NSFW, mature themes, mature depictions, anything you wouldn't want your mom to see.<br>><br>><br>>Not dirty posts include (but not limited to): Trolling, Immature posts, Flamebait, anything you wouldn't want your mom to see.<br>><br>><br>>This sub is not a free-for-all, if you post something that's dirty, you will get a dirty post warning. If you continue to do so, your posts will be automatically removed.<br><br>What allowed sub?