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.
Which object is above a yellow square? the medium black square or the small blue circle that is touching the right edge of a block?
the medium black square  the small blue circle  that is touching the right edge of  a block  both of them none of them