First I dont see what there suport has to do with anything, and that is why I did not mention it, and second that is what the job of a meadeator country is for, right now the PRC has been offering but someone sugessted an African Union nation or a nation from south America, to ensure both sides get heard. That is couched language to discurage peace, Russia has indicated its willingness to talk. The longer they wait the more people die.
Also its important to note this isnt about accepting its about starting talks, and once agian is the US setting terms