There are three blocks. Lets call them A, B and C. There is a medium yellow square in block A. Below the medium yellow square there is a medium blue square. Below block A we have block B which contains one medium blue square. There is also a medium black square in this block. The medium black square is below the medium blue square. Finally, we have block C which is below block B. It has two medium black squares. Medium black square number one is touching the bottom edge of this block. Medium black square number two is below a medium blue square. Below the medium blue square there is medium black square number one. It is below the medium black square number two.
Which object is below a medium 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