We have three blocks. Lets call them A, B and C. One medium blue square is in block A. Below block A we have block B which has a medium yellow square. Below block B there is block C which contains two medium yellow squares. Below medium yellow square number two which is below a medium black square is medium yellow square number one. It is touching the bottom edge of this block. It is below the medium black square.
Which object is below a medium yellow square? the medium black square or the blue shape?
the medium black square  the blue shape both of them none of them