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