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