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