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