There are two blocks, A and B. Block A is below B. Block A has three medium black squares. Medium black square number one is below medium black square number three and medium black square number two. Below medium black square number three is medium black square number two. Block B has a medium yellow square and one medium blue square. Below the medium blue square is the medium yellow square.
Which object is above a medium black square? medium black square number three or medium black square number one?
medium black square  number three medium black square  number one both of them none of them