We have two blocks. Lets call them A and B. There are two medium black squares in block A. Medium black square number one is touching the bottom edge of this block. Below a medium blue square there is medium black square number two. Medium black square number one is below the medium blue square and medium black square number two. Block B is below block A. It has a medium black square and one medium yellow square. The medium black square is below the medium yellow square.
What is below the shape that is touching the bottom edge of a block? a medium blue square or a medium black square?
medium blue square  medium black square  both of them none of them