There are two blocks, A and B. Block A has a medium yellow circle, a medium black circle and one big yellow square. One big black triangle is also in this block. To the right of and below the medium black circle which is above the big yellow square there is the big black triangle. The medium yellow circle is near to and below the big yellow square. Block B is below block A. It has a small blue circle. There is also a small black circle in this block. Near to the small black circle is the small blue circle.
What is above the small black circle? a medium black circle or a small blue circle?
medium black circle  small blue circle  both of them none of them