We have two blocks. Lets call them A and B. Block A is above B. Block A contains two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. Medium yellow square number two is below a medium black square. Below the medium black square there is medium yellow square number one. This object is below medium yellow square number two. Block B contains a medium black square and one medium yellow square. Below the medium yellow square there is the medium black square.
Which object is above a medium black square? the medium yellow square that is in block B or the object that is touching the bottom edge of a block?
the medium yellow square  that is in block B the object that is touching the bottom edge of a block  both of them none of them