There are three blocks. Lets call them A, B and C. Block A has a medium blue square. Block B is to the left of block A. It contains two medium black squares. Below medium black square number two is medium black square number one. A medium blue square is touching the bottom edge of this block. This shape is below medium black square number two and medium black square number one. Finally, there is block C which is to the right of block B. It contains one medium blue square and a medium yellow square. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square.
Which object is to the left of a medium blue square? medium black square number two or medium black square number one?
medium black square  number two medium black square  number one both of them none of them