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