We have two blocks, A and B. A medium black square and one small black triangle are in block A. Below the small black triangle is the medium black square. Above block A there is block B which has one medium black square, one medium yellow circle and one medium black triangle. The medium yellow circle is touching the right edge of this block. This object is to the right of the medium black triangle. Above the medium yellow circle and the medium black triangle is the medium black square.
Which object is above a medium black square? the medium black triangle or the small black triangle?
the medium black triangle  the small black triangle  both of them none of them