We have three blocks. Lets call them A, B and C. Block A has a medium blue square. Above block A there is block B with one medium black square in it. It also has one medium blue square. Below the medium black square there is the medium blue square. Finally, there is block C which is above block A. It has two medium blue squares. This block also has a medium black square. The medium black square is below medium blue square number one and medium blue square number two. Medium blue square number one is below medium blue square number two.
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 C?
the medium black square  that is in block B the medium black square  that is in block C both of them none of them