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