We have three blocks. We call them A, B and C. Block A has one medium black square. Above block A there is block B which has one medium blue square. Below block A there is block C which contains two medium black squares. Medium black square number one is below medium black square number two. A medium yellow square is below medium black square number two and medium black square number one.
Which object is above a medium black square? medium black square number one or the medium black square that is in block A?
medium black square  number one the medium black square  that is in block A both of them none of them