There are three blocks, A, B and C. There are three medium black squares in block A. Medium black square number one is touching the bottom edge of this block. Medium black square number two is below medium black square number three.. Below medium black square number two and medium black square number three is medium black square number one. Then, there is block B. It contains one medium yellow square. Block C is to the right of block A. Block B is to the right of it. It has one medium yellow square.
Which object is to the left of a medium yellow 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