We have three blocks. We call them A, B and C. Block A is to the left of and B is below C. Block A has one big yellow circle. Block B has one small black triangle. This block also has a medium yellow circle. To the left of and below the medium yellow circle is the small black triangle. Block C has one small yellow square, one small blue circle and a medium black circle. Below and to the right of the medium black circle there is the small blue circle.. Above the circle which is below the medium black circle is the small yellow square. It is to the right of the medium black circle.
What is to the left of the medium yellow circle? a blue circle or a black triangle?
blue circle  black triangle  both of them none of them