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