There are three blocks. We call them A, B and C. There is one small black circle in block A. A small blue circle is to the right of the small black circle. Block B is below block A. It contains a medium yellow square, one medium black circle and a medium yellow triangle. The medium black circle is touching the right edge of this block. This object is to the right of the medium yellow triangle. The medium yellow square is touching the right edge of this block. This shape is below the medium black circle and the medium yellow triangle. Finally, there is block C. It is below block B. It has a big yellow square and a medium yellow triangle. The big yellow square is touching the bottom edge of this block. Above the medium yellow triangle there is a small blue square.. The big yellow square is below the small blue square. It is to the right of the medium yellow triangle.
Which object is above a big shape? the medium black circle or the small black circle?
the medium black circle  the small black circle  both of them none of them