There are two blocks, A and B. Block A has one medium black circle. Block B is to the left of block A. It has one medium yellow square, one small blue circle and one medium blue circle. Near to and above the medium blue circle there is the small blue circle. A small black circle is to the right of and below a medium yellow circle. The medium yellow square is to the left of the small blue circle.
What is below the medium yellow circle? a small black circle or a medium black circle?
small black circle  medium black circle  both of them none of them