There are three blocks. We call them A, B and C. There is a medium blue square in block A. Block B is above block A. It contains one medium black square. To the right of block A there is block C which contains a medium yellow square, one medium black square and a medium blue square. Below the medium blue square there is the medium black square. The medium yellow square is below the medium blue square and the medium black square.
Which object is to the right of a medium blue square? the medium black square that is in block C or the medium black square that is in block B?
the medium black square  that is in block C the medium black square  that is in block B both of them none of them