We have two blocks, A and B. Block A is below B. Block A contains a small yellow circle, one big yellow circle and one big blue square. The big blue square is below and near to a small black triangle.. There is also one medium black circle in this block. The small yellow circle is touching the right edge of this block. To the left of, far from and below the small black triangle is the big yellow circle. Block B contains one medium yellow square.
What is below the medium yellow square? a blue square or a medium black circle?
blue square  medium black circle  both of them none of them