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 yellow square? the medium blue square or the thing which is touching the bottom edge of a block?
the medium blue square  the thing which is touching the bottom edge of a block  both of them none of them