We have three blocks. We call them A, B and C. Block A contains two medium black squares. Medium black square number one is touching the bottom edge of this block. It is below medium black square number two and a medium blue square. The medium blue square is below medium black square number two. Above block A is block B which contains one medium yellow square and one medium blue square. Below the medium blue square there is the medium yellow square. To the right of block B there is block C which contains one medium black square and one medium blue square. The medium black square is touching the bottom edge of this block. The medium blue square is below a medium yellow square. Below the medium blue square and the medium yellow square is the medium black square.
Which object is above a medium black square? the medium blue square that is in block A or the medium blue square that is in block B?
the medium blue square  that is in block A the medium blue square  that is in block B both of them none of them