We have three blocks. We call them A, B and C. Block B is below block C and it is above block A. Block A has a medium blue square. Block B contains two medium black squares. Below medium black square number two there is medium black square number one. And block C contains a medium black square and one medium blue square. The medium black square is below the medium blue square.
Which object is above a medium blue 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