There are two blocks. We call them A and B. Block A contains two medium yellow squares. Below a medium black square there is medium yellow square number two. Medium yellow square number one is touching the bottom edge of this block. It is below medium yellow square number two and the medium black square. Block B is to the left of block A. It has a medium black square and one medium yellow square. The medium black square is below the medium yellow square.
Which object is below a medium yellow square? the medium black square that is in block A or the medium black square which is in block B?
the medium black square  that is in block A the medium black square  which is in block B both of them none of them