There are two blocks. We call them A and B. Block A has a medium black square and a small blue triangle. Near to and to the left of the small blue triangle is the medium black square. Block B is below block A. It has one big yellow triangle and a medium yellow circle. A medium black circle is above and to the left of the big yellow triangle. The big yellow triangle is touching the bottom edge of this block. Above the medium yellow circle is the medium black circle.
What is below the blue triangle? a medium black square or a medium yellow circle?
medium black square  medium yellow circle  both of them none of them