We have two blocks, A and B. Block A is above B. Block A contains one medium black square, one small blue circle and a medium blue circle. The medium black square is above the small blue circle and the medium blue circle. Block B contains one small yellow triangle and one small yellow circle. This block also has a big blue circle. The small yellow triangle is touching the right edge of this block. The small yellow circle is touching the bottom edge of this block. It is far from and to the left of the big blue circle. To the right of and above the small yellow circle is the small yellow triangle.
Which object is above a medium blue circle? the medium black square or the big blue thing?
the medium black square  the big blue thing both of them none of them