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