There are three blocks, A, B and C. One medium black square is in block A. The medium black square is below a medium yellow square. Above block A there is block B. It has two medium black squares and two other medium yellow squares. Medium black square number one is below medium yellow square number one , medium yellow square number two and medium black square number two. Medium black square number two is below medium yellow square number one. Below medium yellow square number two is medium yellow square number one. To the left of block A there is block C which has one medium yellow square.
Which object is above a medium black square? medium yellow square number two or the medium yellow square that is in block A?
medium yellow square  number two the medium yellow square  that is in block A both of them none of them