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