We have two blocks. We call them A and B. Block A contains a medium black square. It also has a medium blue square. The medium blue square is below the medium black square. Above block A there is block B which has two medium black squares. It also has one medium yellow square. This object is below medium black square number two. Below medium black square number two and the medium yellow square is medium black square number one.
What is below the yellow object? a medium black square that is in block A or a medium black square number one?
medium black square  that is in block A medium black square  number one both of them none of them