We have three blocks. Lets call them A, B and C. Block A contains one medium blue square. Above block A we have block B which has a medium black square. A medium blue square is also touching the bottom edge of this block. The medium blue square is below the medium black square. Above block B there is block C with one medium black square and a medium yellow square in it. The medium black square is touching the bottom edge of this block. It is below the medium yellow square.
Which object is above a medium blue square? the medium black square that is touching the bottom edge of a block or the yellow object?
the medium black square  that is touching the bottom edge of a block  the yellow object both of them none of them