We have three blocks, A, B and C. One medium black square is in block A. Above block A there is block B with one medium yellow square in it. Below the medium yellow square is a medium blue square. Above block A there is block C. It contains two medium black squares. Below medium black square number two is medium black square number one.
Which object is above a medium black square? the medium blue square or the yellow shape?
the medium blue square  the yellow shape both of them none of them