There are three blocks. We call them A, B and C. Block A has one big yellow circle and one small yellow square. The big yellow circle is touching the bottom edge of this block. It is below the small yellow square. Then, we have block B with a big black circle in it. It also contains one medium black square. The big black circle is above the medium black square. Finally, to the left of block B we have block C which is below block A. It contains one small blue circle.
Which object is above a small circle? the medium black object or the small yellow square?
the medium black object the small yellow square  both of them none of them