There are three blocks. We call them A, B and C. Block A contains one small blue square, a medium black circle and a small black square. To the left of and above the small black square there is the medium black circle. The small blue square is to the left of the black object which is to the left of the small black square. Below block A we have block B with one small yellow square in it. Above block A there is block C. It contains a big yellow square.
Which object is below a yellow square? the medium black circle or the small yellow square?
the medium black circle  the small yellow square  both of them none of them