We have two blocks. We call them A and B. A big yellow square is in block A. Below block A is block B with one small black triangle, a big yellow circle and a big black circle in it. This block also contains one medium black triangle. The small black triangle is above and to the left of the big black circle which is to the left of a medium black square. It is above and to the left of the big yellow circle.
What is below the big yellow square? a triangle that is touching the bottom edge of a block or a medium black square?
triangle  that is touching the bottom edge of a block  medium black square  both of them none of them