There are three blocks. Lets call them A, B and C. Block A contains one medium yellow square. To the left of block A is block B. It has one medium black square and a medium blue square. Below the medium blue square there is the medium black square. Above block B there is block C. It has one medium blue square. This block also contains one medium black square. The medium blue square is below the 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 which is in block C?
the medium black square  that is in block B the medium black square  which is in block C both of them none of them