We have two blocks, A and B. A medium yellow square and a medium black square are in block A. A medium blue square is below the medium yellow square and the medium black square. The medium yellow square is below the medium black square. To the right of block A we have block B. It has one medium yellow square and one medium black square. The medium yellow square is below the medium black square.
Which object is to the left of a medium black 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