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