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