We have two blocks, A and B. Block A is to the left of B. Block A has a medium black square and a medium yellow square. The medium black square is touching the bottom edge of this block. This object is below the medium yellow square. Block B has a medium blue square and one medium black square. Below the medium black square and a medium yellow square there is the medium blue square. The medium black square is below the medium yellow square.
Which object is below a medium yellow square? the medium black square that is in block B or the medium black square that is touching the bottom edge of a block?
the medium black square  that is in block B the medium black square  that is touching the bottom edge of a block  both of them none of them