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