There are three blocks, A, B and C. One medium black square is in block A. Then, there is block B. It contains two medium yellow squares. Below medium yellow square number two is a medium black square. Medium yellow square number one is below the medium black square and medium yellow square number two. To the right of block B and below block A there is block C which contains a medium yellow square.
Which object is to the left of a medium yellow square? the medium black square that is in block A or the medium black square that is in block B?
the medium black square  that is in block A the medium black square  that is in block B both of them none of them