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