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.
What is to the left of the black object? a medium yellow square that is in block A or a medium yellow square that is in block B?
medium yellow square  that is in block A medium yellow square  that is in block B both of them none of them