There are three blocks, A, B and C. One small yellow square is in block A. To the left of block A there is block B. It contains one medium yellow circle and a medium black square. To the left of the medium black square there is the medium yellow circle. Below block B there is block C. It contains a small blue circle and a big yellow square. The small blue circle is touching the right edge of this block. The big yellow square is touching the right edge of this block. The small blue circle is below the big yellow square.
What is below the medium yellow circle? a small blue circle which is touching the right edge of a block or a black square?
small blue circle  which is touching the right edge of  a block  black square  both of them none of them