There are three blocks. Lets call them A, B and C. There are one medium black square, one medium yellow square and a medium blue square in block A. The medium black square is below the medium yellow square and the medium blue square. Below the medium blue square there is the medium yellow square. Block B is above block A. It has a medium blue square and one medium black square. Below the medium black square there is the medium blue square. Finally, we have block C. It is to the left of block B. It has a medium black square.
Which object is above a medium blue 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