There are three blocks. We call them A, B and C. Block A has a medium blue circle. Block B is to the right of block A. It has a small black circle and one medium yellow circle. There is also a big yellow square in this block. To the right of and below the medium yellow circle there is the big yellow square. Below and to the right of the medium yellow circle is the small black circle. Finally, there is block C. It is below block B. It has one big black circle. To the left of the big black circle there is a small yellow square.
Which object is above a small yellow square? the big yellow square or the small black circle?
the big yellow square  the small black circle  both of them none of them