There are three blocks. We call them A, B and C. Two small black circles are in block A. Small black circle number one is below, near to and to the left of a big yellow square.. This block also has a small black triangle. Above and to the right of small black circle number two there is a medium black square. The big yellow square is touching the right edge of this block. Then, there is block B which contains one small yellow square and one big blue square. One medium black square is also touching the top edge of this block. It is far from and to the right of the big blue square. To the left of the medium black square is the small yellow square. Finally, to the left of block B we have block C. It is above block A. It contains a small yellow circle. This block also contains one small black square. A medium blue triangle is also touching the right edge of this block. The small black square is above the medium blue triangle and the small yellow circle. The small yellow circle is touching the right edge of this block. It is above the medium blue triangle.
Which object is above a small black circle? the small yellow square or the big blue square?
the small yellow square  the big blue square  both of them none of them