We have three blocks, A, B and C. Block C is to the right of A and block B is to the right of C. Block A contains one medium yellow square and a medium blue square. Below the medium blue square is the medium yellow square. Block B contains one medium black square. And block C contains two medium yellow squares. Below medium yellow square number two there is medium yellow square number one.
What is to the left of the black shape? a medium blue square or a medium yellow square?
medium blue square  medium yellow square  both of them none of them