There are three blocks, A, B and C. Block B is to the right of blocks C and A. Block A has one medium blue square. Block B contains one medium yellow square. It also contains a medium black square. Below the medium yellow square is the medium black square. And block C contains one medium black square. A medium yellow square is below the medium black square.
Which object is to the right of a medium black square? the medium yellow square that is in block B or the medium yellow square that is in block C?
the medium yellow square  that is in block B the medium yellow square  that is in block C both of them none of them