There are two blocks. We call them A and B. Block A has two medium black squares. Medium black square number one is touching the bottom edge of this block. It is below medium black square number two. To the left of block A is block B with two medium blue squares in it. Below medium blue square number two which is below a medium black square there is medium blue square number one. This block also has one medium yellow square. Below medium blue square number one , medium blue square number two and the medium black square is the medium yellow square.
Which object is to the left of a medium black square? medium blue square number two or medium blue square number one?
medium blue square  number two medium blue square  number one both of them none of them