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