I would just consider that they probably were having some kind of a bad bad day or something and I would if I would be polite but then I would come back later and try to talk to him again maybe something that changed or whatever it wouldn't do any good to argue with them you'd be better off just trying to maybe try and working from another angle or something a lot of times people do mean things when something something else is going wrong and they leave the sea take it out on somebody if you just give it a little time and come at it from a different angle a lot of times things will work out