There are three blocks. We call them A, B and C. One big yellow square and one big black circle are in block A. There is also one small yellow square in this block. The big yellow square is touching the right edge of this block. It is to the right of the small yellow square and the big black circle. Then, there is block B which has one small black circle. Below block A and above block B there is block C. It contains a small black circle.
Which object is above a small black circle? the big black circle or the small yellow square?
the big black circle  the small yellow square  both of them none of them