We have two blocks. We call them A and B. Block A has three medium blue squares. There is also a medium black square in this block. It is below medium blue square number three. This shape is below medium blue square number two. Below medium blue square number two and medium blue square number three is medium blue square number one. Below medium blue square number three there is medium blue square number two. To the right of block A we have block B. It has a medium yellow square.
What is to the left of the yellow object? a medium blue square or a medium black square?
medium blue square  medium black square  both of them none of them