There are two blocks, A and B. Block A contains two medium blue squares. Medium blue square number one is touching the bottom edge of this block. It is below medium blue square number two. Block B is to the left of block A. It has one medium black square, a medium blue square and one medium yellow square. Below the medium blue square and the medium yellow square is the medium black square. Below the medium yellow square is the medium blue square.
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