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