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