There are three blocks, A, B and C. Block A contains a small yellow triangle, one small black triangle and one small blue circle. To the right of the small black triangle and the small blue circle there is the small yellow triangle. Above the small blue circle there is the small black triangle. Then, we have block B which has one big black square. Block C is below block B and above block A. It has one small yellow square and a medium blue circle. The small yellow square is touching the bottom edge of this block. It is to the right of the medium blue circle.
Which object is below a black square? the small thing that is touching the bottom edge of a block or the medium blue circle?
the small thing that is touching the bottom edge of a block  the medium blue circle  both of them none of them