We have two blocks. We call them A and B. Block A is above B. Block A has one medium yellow square and one medium black square. The medium yellow square is below the medium black square. Block B has two medium black squares. Below medium black square number two and a medium blue square there is medium black square number one. It is touching the bottom edge of this block. The medium blue square is below medium black square number two.
Which object is below a medium black square? the medium yellow square or the blue thing?
the medium yellow square  the blue thing both of them none of them