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