We have three blocks. We call them A, B and C. One medium black square is in block A. Then, there is block B. It contains a medium blue square. A medium yellow square and a medium black square are also in this block. The medium blue square is below the medium yellow square. Below the medium black square is the medium yellow square.. Below the medium black square there is the medium blue square. Below block B and to the left of block A there is block C which contains a medium blue square.
Which object is above a medium blue square? the medium black square that is in block A or the medium black square which is in block B?
the medium black square  that is in block A the medium black square  which is in block B both of them none of them