There are three blocks. We call them A, B and C. A small black square is in block A. Above block A is block B. It contains one big yellow square and a medium black circle. To the right of the medium black circle is the big yellow square. Below block A there is block C. It has two big black circles. Big black circle number one is to the right of a small black circle and big black circle number two. A big yellow square is below and far from the small black circle. The small black circle is touching the top edge of this block. Big black circle number one is touching the right edge of this block. It is above the yellow object which is below the small black circle.
Which object is above a small black square? the medium black circle or the object that is touching the right edge of a block?
the medium black circle  the object that is touching the right edge of  a block  both of them none of them