There are two blocks, A and B. One medium blue square is in block A. Below the medium blue square is a medium yellow square. Below block A we have block B with two medium black squares in it. Medium black square number one is touching the bottom edge of this block. A medium yellow square is also in this block. It is below medium black square number two. Below the square which is below medium black square number two there is medium black square number one. It is below medium black square number two.
Which object is below a medium yellow square? the medium blue square or the medium black square that is touching the bottom edge of a block?
the medium blue square  the medium black square  that is touching the bottom edge of a block  both of them none of them