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