There are three blocks, A, B and C. Block C is below block A and above block B. Block A has a big black square. Block B contains a medium black circle. The medium black circle is touching the right edge of this block. The medium black circle is below a small black circle. And block C has a small black triangle. A small blue square is above the small black triangle.
Which object is below a small black object? the small black circle or the big object?
the small black circle  the big object both of them none of them