We have three blocks. We call them A, B and C. Block C is to the right of A. Block A is below B. Block A has two medium black squares. Below medium black square number two there is medium black square number one. Block B contains one medium black square. Block C contains one medium blue square and a medium yellow square. Below the medium yellow square there is the medium blue square.
Which object is to the right of a medium black square? the medium blue square or the medium yellow square?
the medium blue square  the medium yellow square  both of them none of them