There are two blocks. Lets call them A and B. There is a medium black triangle in block A. The medium black triangle is to the left of a small blue triangle. The small blue triangle is touching the right edge of this block. Above block A there is block B which contains a medium yellow square, a small black circle and a medium blue circle. One medium black circle is also in this block. The medium yellow square is above the medium black circle. The medium blue circle is near to the medium black circle. Above the medium black circle and the medium blue circle there is the small black circle.
What is above the medium blue circle? a medium black circle or a medium black triangle?
medium black circle  medium black triangle  both of them none of them