There are three blocks. We call them A, B and C. Block A has a medium black square, one medium blue square and one medium yellow square. The medium black square is touching the bottom edge of this block. Below the medium yellow square there is the medium blue square. Below the medium blue square and the medium yellow square there is the medium black square. Above block A we have block B. It has two medium black squares. Medium black square number one is below medium black square number two. Above block A there is block C. It has a medium yellow square.
Which object is below a medium yellow square? medium black square number two or the shape which is touching the bottom edge of a block?
medium black square  number two the shape which is touching the bottom edge of a block  both of them none of them