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