There are two blocks, A and B. There is one medium blue square in block A. A medium black square is below the medium blue square. Below block A is block B which contains three medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Below medium yellow square number three is medium yellow square number two. Below medium yellow square number two and medium yellow square number three is medium yellow square number one.
Which object is below a medium square? medium yellow square number three or medium yellow square number two?
medium yellow square  number three medium yellow square  number two both of them none of them