There are three blocks. Lets call them A, B and C. There is one medium black square in block A. This block also has one medium blue square. The medium blue square is below the medium black square. Block B is to the right of block A. It contains one medium yellow square. Finally, we have block C above block B. It has a medium blue square and one medium black square. Below the medium black square there is the medium blue square.
Which object is above a medium square? the medium black square that is in block A or the medium black square that is in block C?
the medium black square  that is in block A the medium black square  that is in block C both of them none of them