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