We have three blocks. Lets call them A, B and C. Block A contains a medium black square. Block B is above block A. It contains a medium black square. Above block A there is block C which has three medium black squares. Medium black square number one is below medium black square number three and medium black square number two. Below medium black square number three is medium black square number two.
Which object is above a medium black square? the medium black square that is in block B or medium black square number two?
the medium black square  that is in block B medium black square  number two both of them none of them