We have three blocks, A, B and C. Block B is to the right of A. Block A is to the left of C. Block A has a small black triangle, one medium yellow circle and a big blue circle. It also contains one medium black triangle. The small black triangle is below the medium yellow circle and the medium black triangle. The medium yellow circle is touching the top edge of this block. It is above and to the left of the medium black triangle. Block B has one small blue circle, a small blue square and one big black square. Far from a small black square which is to the right of the big black square there is the small blue circle. The big black square is touching the bottom edge of this block. To the left of and above the small black square there is the small blue square.. Above the big black square is the small blue circle. And block C contains two medium blue squares. A medium black circle is also in this block. Medium blue square number two is touching the bottom edge of this block. This shape is below the medium black circle. Medium blue square number one is to the right of the medium object which is below the medium black circle. It is to the right of, below and far from the medium black circle.
What is to the left of the small blue square? a small black triangle or a medium black triangle?
small black triangle  medium black triangle  both of them none of them