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