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