We have two blocks. We call them A and B. Block A is to the right of B. Block A contains one small blue square, one medium black circle and one medium yellow circle. The small blue square is above and to the right of the medium black circle. It is to the left of and above the medium yellow circle. Block B has a big yellow triangle. This block also contains one medium black square. The big yellow triangle is to the left of and above the medium black square.
What is above the medium black square? a medium yellow circle or a big triangle?
medium yellow circle  big triangle  both of them none of them