There are two blocks, A and B. A medium black square is in block A. One medium yellow square is also touching the bottom edge of this block. Below the medium black square is the medium yellow square. Block B is below block A. It has two medium black squares. Medium black square number one is below medium black square number two and a medium blue square. Medium black square number two is below the medium blue square.
Which object is below a medium square? the medium black square that is in block A or medium black square number one?
the medium black square  that is in block A medium black square  number one both of them none of them