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