Tough to judge by the pictures. Any chance you can get some better side shots? Anyway, my limited experience opinion says:
Ram A: Female. No spangles in the spot, but I had two females that were very similiar to this. These were my best-looking Rams, still have one of them. Anyway, your ram's top fin starts out with two short spikes, then the third one (last black one) is only the same height as the rest of the finnage. Not that it is science, but all the males of pairs I have seen have had at least two of the first three be a tall spike.
Ram B: Male, maybe Female. Spangles in the upper region of the spot, but the picture is too grainy. Some taller spikes, but this is a body style that seems to be the run-of-the-mill rams as of late. I have six of these, all females, with taller spikes. It's almost like they have a mix of something in them. They never display the colors of a ram as seen in the catalogs and the breeder sites. Kind of plain, lots of orange in the head, washed-out spot. Usually some lacey finnage as well.
If I second-guess myself, I would say A is a male and B is a female. How's that? I know, not much help...sorry.