We have three blocks. Lets call them A, B and C. There is one medium black square in block A. Block B is to the right of block A. It has a medium blue square. Above block A there is block C which contains two medium black squares. It also contains one medium blue square. It is below medium black square number two. Medium black square number one is below the medium blue square. It is below medium black square number two.
Which object is above a medium black square? the medium blue square that is in block C or the medium blue square that is in block B?
the medium blue square  that is in block C the medium blue square  that is in block B both of them none of them