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