There are three blocks, A, B and C. One medium yellow square is in block A. Block B is to the right of block A. It contains three medium black squares. There is also one medium yellow square in this block. Medium black square number one is touching the bottom edge of this block. Medium black square number three is below the medium yellow square. Below the medium yellow square is medium black square number one. Below the medium yellow square there is medium black square number two. This object is below medium black square number three. Medium black square number one is below the medium black square number three. To the right of block B there is block C which contains a medium yellow square and a 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 above a medium black square? the medium yellow square that is in block B or the medium yellow square that is in block A?
the medium yellow square  that is in block B the medium yellow square  that is in block A both of them none of them