We have three blocks, A, B and C. One medium yellow square is in block A. A medium black square is below the medium yellow square. Then, there is block B which contains one medium blue square and a medium black square. Below a medium yellow square and the medium black square there is the medium blue square. The medium yellow square is below the medium black square. Finally, to the left of block A we have block C. It is to the right of block B. It contains a medium blue square.
Which object is to the right of a medium blue square? the medium black square that is in block A or the medium black square which is in block B?
the medium black square  that is in block A the medium black square  which is in block B both of them none of them