There are three blocks, A, B and C. Block A contains a medium black square. To the left of block A there is block B. It has three medium black squares. Medium black square number one is below medium black square number three and medium black square number two. Medium black square number two is below medium black square number three. To the left of block A there is block C. It contains one medium black square.
Which object is below a medium black square? medium black square number two or the medium black square that is in block A?
medium black square  number two the medium black square  that is in block A both of them none of them