There are three blocks, A, B and C. Block B is below block C and it is above block A. Block A contains one big yellow square and a medium black circle. The big yellow square is touching the right edge of this block. It is above and near to the medium black circle. Block B contains one small blue circle. And block C contains a medium yellow circle. To the left of and below the medium yellow circle is a small black circle.
Which object is above a blue thing? the small black circle or the medium black circle?
the small black circle  the medium black circle  both of them none of them