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