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