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