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