We have two blocks. We call them A and B. Block A has one medium blue square and a medium yellow square. The medium blue square is below the medium yellow square. To the left of block A there is block B with two medium black squares in it. Medium black square number one is below a medium yellow square and medium black square number two.. The medium yellow square is below medium black square number two.
Which object is to the left of a medium square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them