We have two blocks. We call them A and B. Block A contains a small black triangle, one big yellow square and one small black square. A medium black circle is below and to the right of the small black square. The small black triangle is to the right of and below the small black square. It is touching the bottom edge of this block. This shape is below the big yellow square. Below block A there is block B. It has a medium yellow triangle, one small black square and a small blue circle. A medium blue circle is near to the medium yellow triangle. The small black square is above and to the right of the small blue circle. The medium blue circle is far from and above the small blue circle.
What is above the medium blue circle? a medium black circle or a big yellow square?
medium black circle  big yellow square  both of them none of them