There are three blocks, A, B and C. Block C is to the right of and B is to the left of A. Block A contains one medium blue square. Block B contains two medium yellow squares. Below medium yellow square number two and a medium black square there is medium yellow square number one. Below medium yellow square number two is the medium black square. Block C contains one medium black square.
Which object is to the right of a medium square? the medium black square that is in block B or the medium black square that is in block C?
the medium black square  that is in block B the medium black square  that is in block C both of them none of them