We have three blocks, A, B and C. Block C is to the left of A. Block B is to the right of C. Block A contains two medium yellow squares. Below medium yellow square number two there is medium yellow square number one. Block B has a medium black square. And block C contains two medium black squares. Below medium black square number two and a medium yellow square there is medium black square number one. Below medium black square number two is the medium yellow square.
Which object is to the left of a medium black square? the medium yellow square that is in block C or medium yellow square number two?
the medium yellow square  that is in block C medium yellow square  number two both of them none of them