The logic here is that there's three possible answers, and also a lot more empty blocks than checkmarks or Xes. e.g.: - say there are 100 or so blocks, 20 are

The logic here is that there's three possible answers, and also a lot more empty blocks than checkmarks or Xes. e.g.: - say there are 100 or so blocks, 20 are checkmarks - if I click on 40, and get 10 checks, 30 blank, that means I got 30/20 wrong