There are two blocks. Lets call them A and B. Block A is above B. Block A contains two medium blue squares. A medium black square is touching the bottom edge of this block. It is below medium blue square number two. It is below medium blue square number one which is below medium blue square number two. Block B contains a medium black square. A medium blue square is also in this block. The medium black square is touching the bottom edge of this block. It is below the medium blue square.
Which object is above a medium black square? the medium blue square that is in block B or medium blue square number one?
the medium blue square  that is in block B medium blue square  number one both of them none of them