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