There are two blocks, A and B. Block A is above B. Block A contains one big yellow square. To the right of the big yellow square is a medium black circle. Block B contains one small black triangle, one medium black circle and one medium yellow circle. Above the medium yellow circle is the medium black circle.. To the left of the medium object which is above the medium yellow circle there is the small black triangle. It is to the left of the medium yellow circle.
Which object is below a medium black circle? the big square or the medium yellow circle?
the big square  the medium yellow circle  both of them none of them