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