We have two blocks, A and B. Block A has a medium yellow square. This block also has one medium black square. The medium yellow square is touching the bottom edge of this block. This object is below the medium black square. Below block A there is block B which has three medium black squares. Medium black square number one is below medium black square number two and medium black square number three. Below medium black square number three there is medium black square number two.
Which object is below a yellow thing? the medium black square that is in block A or medium black square number two?
the medium black square  that is in block A medium black square  number two both of them none of them