We have two blocks, A and B. Block A contains 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 we have block B with two medium black squares and two other medium blue squares in it. Below medium black square number two which is below medium blue square number two is medium black square number one. Medium blue square number one is below medium blue square number two. It is below the black object which is below medium blue square number two. Medium black square number one is touching the bottom edge of this block. It is below the blue shape which is below medium blue square number two.
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