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