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