There are three blocks, A, B and C. Block A is to the right of blocks B and C. Block A contains two medium black squares. Medium black square number one is touching the bottom edge of this block. This shape is below a medium blue square and medium black square number two. The medium blue square is below medium black square number two. Block B has a medium black square. And block C contains one medium yellow square.
Which object is to the right of a medium black square? the medium blue square or the medium yellow square?
the medium blue square  the medium yellow square  both of them none of them