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