We have two blocks. We call them A and B. Block A has two medium black squares. One medium blue square is also touching the bottom edge of this block. Medium black square number one is below medium black square number two. The medium blue square is below medium black square number one and medium black square number two. Above block A we have block B. It has a medium blue square and one medium black square. Below the medium black square there is the medium blue square.
Which object is below a medium blue square? medium black square number one or the medium black square that is in block B?
medium black square  number one the medium black square  that is in block B both of them none of them