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