There are two blocks. We call them A and B. Block A is above B. Block A contains two medium black squares. Medium black square number one is touching the right edge of this block. To the right of and below a big yellow triangle is medium black square number two. It also has a medium blue circle. There is also a small yellow triangle in this block. To the right of and below the small yellow triangle there is the medium blue circle. Medium black square number two is touching the right edge of this block. The big yellow triangle is near to and to the right of the small yellow triangle. Block B has a big black triangle, a small yellow square and a medium black triangle. Far from the small yellow square which is above the medium black triangle there is the big black triangle. The small yellow square is touching the right edge of this block. Below the medium black triangle there is the big black triangle.
What is above the small yellow square? a medium black square or a big black triangle?
medium black square  big black triangle  both of them none of them