There are three blocks, A, B and C. There are two medium black squares in block A. Medium black square number one is touching the bottom edge of this block. This block also has one medium blue square. It is below medium black square number two. Below medium black square number two and the medium blue square is medium black square number one. Then, there is block B with a medium black square in it. Block C is to the right of block B and below block A. It contains a medium yellow square.
Which object is above 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