There are three blocks, A, B and C. Block C is below block B and above block A. Block A contains one medium blue square. Block B has a small black square. This block also has one small black circle. The small black square is touching the bottom edge of this block. This shape is to the left of and below the small black circle. And block C contains one medium black circle. A medium blue square is above the medium black circle.
What is below the small black circle? a small black square that is touching the bottom edge of a block or a medium black circle?
small black square  that is touching the bottom edge of a block  medium black circle  both of them none of them