There are three blocks, A, B and C. Block C is to the left of block A and to the right of block B. Block A contains one medium yellow square. It also contains a medium black square. The medium black square is below the medium yellow square. Block B contains one medium black square. Block C contains a medium blue square. A medium yellow square is below the medium blue square.
What is to the left of the shape which is touching the bottom edge of a block? a medium blue square or a medium yellow square?
medium blue square  medium yellow square  both of them none of them