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. It also contains a medium blue square. Below the medium yellow square there is the medium blue square. Block B contains a medium blue square. One medium black square is also in this block. Below the medium blue square is the medium black square. And block C contains two medium blue squares. Below medium blue square number two is medium blue 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