There are two blocks. Lets call them A and B. There are two medium black squares and two other medium blue squares in block A. Medium black square number one is touching the bottom edge of this block. Below medium blue square number one is medium black square number two. Below medium blue square number two is medium blue square number one. Medium black square number one is below medium black square number two , medium blue square number one and medium blue square number two. Block B is to the right of block A. It contains a medium black square.
Which object is to the left of a medium black square? the medium black square which is touching the bottom edge of a block or medium black square number two?
the medium black square  which is touching the bottom edge of a block  medium black square  number two both of them none of them