There are two blocks, A and B. Block A is above B. Block A contains one small blue circle, a small black square and one big yellow square. The small blue circle is touching the right edge of this block. The big yellow square is touching the bottom edge of this block. Below and to the right of the small black square which is near to, to the left of and above the big yellow square is the small blue circle. Block B contains one small yellow square. To the left of the small yellow square there is a medium blue circle. To the left of and above the small yellow square is a medium black triangle.
Which object is above a triangle? the small black square or the medium blue circle?
the small black square  the medium blue circle  both of them none of them