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