One wouldn't think ISIS, the devils they are would ever have any negotiations, they are such a death cult. The "kinder side of ISIS". Again, SDF, Syrian Democratic Forces are guys we support; sounds like mostly Kurds also with Arabs, Christian Assyrians (other Christians?).
Syria Human Rights Observatory's poor English in this article. SOHR, Syrian Observatory of Human Rights based in London, sources in Syria. (For the record, some say SOHR is even a one man show).
IS and SDF negotiating the evacuation of civilians from Menbej
SOHR was informed that the coalition warplanes dropped paper notes on Menbej city with photo for SDF militant and flag shooting IS militant with note of ” there is an end for every oppressor”, SOHR was informed that IS commanders in Menbej and SDF commanders are negotiating to evacuate the wounded civilians from the city for letting the wounded in IS evacuate the city of Menbej.
http://www.syriahr.com/en/?p=48647