We have three blocks, A, B and C. There is one medium blue square in block A. Then, there is block B with one medium black square in it. A medium blue square is below the medium black square. Finally, above block B we have block C. It is above block A. It has two medium black squares. Medium black square number one is below medium black square number two.
Which object is below a medium black square? medium black square number one or the medium black square which is in block B?
medium black square  number one the medium black square  which is in block B both of them none of them