There are two blocks. Lets call them A and B. Block A has two medium black squares. Medium black square number one is below medium black square number two. To the right of block A is block B with two medium blue squares in it. Medium blue square number one is below medium blue square number two and a medium yellow square. The medium yellow square is below medium blue square number two.
Which object is to the left of a medium blue 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