We have three blocks, A, B and C. Block C is below B and block A is to the left of C. Block A contains two medium yellow squares. Medium yellow square number one is touching the bottom edge of this block. It is below medium yellow square number two. Block B contains one medium black square. A medium yellow square is touching the bottom edge of this block. It is below the medium black square. And block C has two medium yellow squares. A medium blue square is touching the bottom edge of this block. Medium yellow square number one is below medium yellow square number two. The medium blue square is below medium yellow square number two and medium yellow square number one.
What is to the left of the blue shape? a medium yellow square or a medium black square?
medium yellow square  medium black square  both of them none of them