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