There are three blocks. Lets call them A, B and C. A big yellow circle, a big black square and one small black circle are in block A. The big yellow circle is to the left of the big black square and a big blue square. The big black square is above the big blue square which is to the right of the small black circle. It is far from the small black circle. To the left of block A there is block B with one medium black square and one medium black triangle in it. The medium black square is above and near to the medium black triangle. Finally, we have block C above block A. It contains one big blue square. To the right of and above the big blue square is a medium yellow square.
Which object is above a medium black shape? the big black square or the medium black square?
the big black square  the medium black square  both of them none of them