a further degradation of relations can be prevented and given some of the areas that they outlined there talking about syria, humanitarian corridor, iran nuclear negotiations, afghanistan, a potential prisoner swap die hog, cyber security dialogue, it does appear that possibly, if both sides are committed to it, there could be room for an improvement in the relationship, but i don't think either side is expecting anyone to dramatically change their behavior. this is about averting a further deterioration. >> and as president biden said we won't know more until the next six months, right? ambassador, we don't know what will actually come from this meeting until we see how these working groups meet together and what comes out of that. biden said that he raised human rights issues, of course, like the opposition leader alexei