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.
Which object is below a big yellow square? the small black triangle or the medium object that is touching the bottom edge of a block?
the small black triangle  the medium object that is touching the bottom edge of a block  both of them none of them