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