We have three blocks, A, B and C. One big blue square, a medium black triangle and a big black square are in block A. There is also a medium yellow triangle touching the bottom edge of this block. This block also contains a big yellow circle and a small black triangle. Below the small black triangle there is the big yellow circle. The big blue square is to the right of the big object which is below the small black triangle. The medium black triangle is touching the bottom edge of this block. This object is to the left of the big yellow circle and the big black square. The big black square is touching the bottom edge of this block. It is near to the big object which is below the small black triangle. Then, there is block B with one small yellow triangle in it. Finally, below block A we have block C. It is above block B. It contains a small blue square and a small blue circle. Below the small blue circle there is the small blue square.
What is above the small blue circle? a small blue square or a medium black triangle?
small blue square  medium black triangle  both of them none of them