There are two blocks. We call them A and B. Block A is to the left of B. Block A has a medium black square, a medium black circle and a small black circle. Near to the small black circle there is the medium black square. The medium black circle is touching the right edge of this block. Below and to the left of the medium black circle is the medium black square. Block B contains one small black square and a medium black triangle. The small black square is above and to the right of the medium black triangle.
What is to the left of the small black square? a medium black triangle or a small black circle?
medium black triangle  small black circle  both of them none of them