There are two blocks, A and B. Two medium black squares are in block A. Below medium black square number two and a medium blue square there is medium black square number one. Medium black square number two is below the medium blue square. Above block A is block B. It contains a medium blue square. The medium blue square is touching the bottom edge of this block. This block also has a medium black square. The medium blue square is below the medium black square.
What is below the thing which is touching the bottom edge of a block? a medium black square number one or a medium black square that is in block B?
medium black square  number one medium black square  that is in block B both of them none of them