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