There are two blocks. Lets call them A and B. Block A has one small black square, one big black square and a medium yellow square. The big black square is near to, to the left of and below the medium yellow square. Below block A there is block B. It contains one medium yellow triangle and a small black square. A medium black square is touching the bottom edge of this block. The medium yellow triangle is touching the right edge of this block. It is to the right of the small black square. Near to and to the right of the small black square is the medium black square.
Which object is below a small black square? the big black square or the medium yellow square?
the big black square  the medium yellow square  both of them none of them