There are two blocks. Lets call them A and B. Block A is above B. Block A has one medium black square and a medium yellow square. It also has a medium blue square. It is below the medium yellow square. The medium black square is below the medium yellow square and the medium blue square. Block B has a medium yellow square and a medium blue square. The medium yellow square is touching the bottom edge of this block. It is below the medium blue square.
Which object is above a medium blue square? the medium yellow square that is in block A or the thing that is touching the bottom edge of a block?
the medium yellow square  that is in block A the thing that is touching the bottom edge of a block  both of them none of them