There are three blocks, A, B and C. A medium blue square is in block A. Below the medium blue square there is a medium yellow square. Below block A is block B. It has two medium black squares. Medium black square number one is below medium black square number two. To the left of block B there is block C which contains one medium black square.
Which object is above a medium black square? the medium black square which is in block C or medium black square number two?
the medium black square  which is in block C medium black square  number two both of them none of them