We have three blocks. We call them A, B and C. Block A has one medium yellow square. Block B is to the left of block A. It contains one medium black square. Finally, there is block C to the left of block B. It contains two medium black squares. Below medium black square number two and a medium blue square there is medium black square number one. Below the medium blue square there is medium black square number two.
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