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