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