There are two blocks, A and B. Two medium black squares are in block A. To the left of medium black square number two and a small yellow triangle is medium black square number one. The small yellow triangle is touching the bottom edge of this block. This block also contains one small yellow circle. Above the small yellow triangle is the small yellow circle. Above block A we have block B which contains one small black triangle and a big black square. Below the big black square there is the small black triangle.
What is below the small black triangle? a small yellow circle or a medium black square?
small yellow circle  medium black square  both of them none of them