translates say from greyscale to color okay and now what we want is we want to add another network on top of that and that network we want to decide how to decide if the image here if it looks real or it looks fake okay so what we want is we want G the network G to fool the network D so we want D to think that this is a real image whereas in fact it was generated by by by G okay and of course G who doesn't want to get fooled so do you really trust ooh to figure out if it can if it can if it can tell and the idea is to basically have these two