We have two blocks. We call them A and B. A medium blue square is in block A. Block B is below block A. It contains one big yellow square, a small yellow square and one medium black square. The big yellow square is above a medium yellow circle. Near to, to the left of and above the medium yellow circle is the medium black square. To the left of the small yellow square there is the big yellow square. The medium yellow circle is touching the right edge of this block.
Which object is below a medium square? the big yellow square or the small object?
the big yellow square  the small object both of them none of them