We have two blocks, A and B. Block A is to the left of B. Block A has a medium yellow square. Block B contains two medium black squares. Medium black square number one is touching the bottom edge of this block. This block also has a medium yellow square. A medium blue square is below the medium yellow square and medium black square number two. Medium black square number one is below the medium blue square. It is below the medium yellow square and medium black square number two.
Which object is above a medium black square? the medium yellow square which is in block B or the medium yellow square which is in block A?
the medium yellow square  which is in block B the medium yellow square  which is in block A both of them none of them