We have two blocks. Lets call them A and B. One big yellow square is in block A. A medium black square is also in this block. Below and near to the medium black square there is the big yellow square. Above block A we have block B. It contains one big blue triangle, one big yellow triangle and one small black triangle. To the right of a medium black triangle and the big yellow triangle is the big blue triangle. Above the small black triangle there is the big yellow triangle. The small black triangle is touching the right edge of this block.
Which object is above a medium black square? the medium black triangle or the big yellow square?
the medium black triangle  the big yellow square  both of them none of them