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