There are two blocks, A and B. Block A is above B. Block A contains three medium black squares. Medium black square number one is touching the bottom edge of this block. Medium black square number two is below medium black square number three. Below the black object which is below medium black square number three is medium black square number one. It is below medium black square number three. Block B has one medium black square and a medium yellow square. The medium black square is below the medium yellow square.
What is below the thing that is touching the bottom edge of a block? a medium black square number three or a medium black square that is in block B?
medium black square  number three medium black square  that is in block B both of them none of them