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