There are three blocks, A, B and C. Block C is to the right of B. Block B is above A. Block A contains one medium yellow square. Block B has a medium black square. And block C has two medium yellow squares. Below medium yellow square number two there is medium yellow square number one. A medium black square is below medium yellow square number one and medium yellow square number two.
Which object is to the right of a medium black square? medium yellow square number one or the medium yellow square that is in block A?
medium yellow square  number one the medium yellow square  that is in block A both of them none of them