Regarding rule nr14: “No 18+ Content: This includes strong sexual themes and content, graphic nudity, or extreme portrayals of violence. If you're unsure, please follow ESRB guidelines:”.
It’s a bit vauge since ESRB can be rated at different levels: Everyone, Everyone10+, Teen, Mature17+, Adults Only18+.
I understand that the last one is out of the question but where do you draw the line?