We have two blocks. We call them A and B. Block A is below B. Block A contains two big blue triangles. To the right of big blue triangle number two is a medium yellow square. Big blue triangle number one is touching the bottom edge of this block. Big blue triangle number two is touching the bottom edge of this block. Big blue triangle number one is to the right of big blue triangle number two. To the left of the triangle which is to the right of big blue triangle number two there is the medium yellow square. Block B has a medium black circle and a small black circle. Above the small black circle is the medium black circle.
What is below the medium black circle? a yellow square or a small black circle?
yellow square  small black circle  both of them none of them