There are two blocks. Lets call them A and B. A medium blue square is in block A. Above block A there is block B. It has two medium blue squares. A medium black square and one medium yellow square are also in this block. Medium blue square number one is touching the bottom edge of this block. Below medium blue square number two there is the medium black square. This object is below the medium yellow square.. Medium blue square number one is below medium blue square number two , the medium yellow square and the medium black square.
Which object is above a medium blue square? the medium black square or the medium yellow square?
the medium black square  the medium yellow square  both of them none of them