We have three blocks. Lets call them A, B and C. A medium black square is in block A. A medium blue square is touching the bottom edge of this block. A medium yellow square is below the medium black square. Below the medium yellow square is the medium blue square. It is below the medium black square. Below block A is block B. It contains a medium black square and a medium blue square. The medium black square is below the medium blue square. To the right of block A there is block C. It has one 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 that is in block B?
the medium black square  that is in block A the medium black square  that is in block B both of them none of them