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