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