There are two blocks, A and B. Block A contains one medium yellow square and a medium blue square. The medium yellow square is below the medium blue square. A medium black square is below the medium blue square and the medium yellow square. Above block A there is block B with a medium black square in it. This block also has a medium yellow square. The medium black square is touching the bottom edge of this block. It is below the medium yellow square.
Which object is above a medium black square? the medium yellow square that is in block B or the medium yellow square which is in block A?
the medium yellow square  that is in block B the medium yellow square  which is in block A both of them none of them