There are three blocks, A, B and C. Block A is to the left of C. Block C is to the left of B. Block A has one medium black square. Block B has a medium blue square and one medium yellow square. A medium black square is also in this block. It is below the medium yellow square. The medium blue square is touching the bottom edge of this block. It is below the medium yellow square and the medium black square. And block C contains one 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