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