There are two blocks, A and B. Two medium blue squares are in block A. There is also a medium black square in this block. It is below medium blue square number two. Medium blue square number one is touching the bottom edge of this block. It is below the medium black square and medium blue square number two. Block B is to the left of block A. It has two medium blue squares. 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 medium blue square number two and the medium yellow square.
What is below the yellow object? a black shape or a medium blue square?
black shape medium blue square  both of them none of them