There are two blocks, A and B. Block A is above B. Block A has a medium yellow square. One small yellow square is also in this block. It is to the left of, near to and above a medium blue triangle. Block B contains one medium blue triangle, one small black triangle and one big black triangle. Above and to the right of the big black triangle is the small black triangle. The big black triangle is touching the bottom edge of this block. To the left of the small black triangle is the medium blue triangle.
What is below the medium yellow square? a medium blue triangle or a small yellow square?
medium blue triangle  small yellow square  both of them none of them