We have three blocks. Lets call them A, B and C. There is one medium yellow square in block A. Then, we have block B which has a medium black square and one medium blue square. Below the medium blue square is the medium black square. Block C is below block B. Block A is to the right of it. It contains a medium blue square and a medium black square. The medium blue square is below the medium black square.
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