We have three blocks, A, B and C. Block A has a medium blue square. This block also has a medium black square. Below the medium black square is the medium blue square. Block B is to the right of block A. It contains one medium blue square. Finally, there is block C. It is to the right of block B. It has a medium blue square. Below the medium blue square there is a medium yellow square.
Which object is to the right of a medium blue square? the medium yellow square or the medium black square?
the medium yellow square  the medium black square  both of them none of them