There are two blocks. Lets call them A and B. A medium blue square and one medium black square are in block A. The medium blue square is touching the bottom edge of this block. It is below the medium black square. Block B is above block A. It has two medium blue squares. One medium yellow square is also in this block. Medium blue square number two is below the medium yellow square. Medium blue square number one is touching the bottom edge of this block. It is below the medium yellow square and medium blue square number two.
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