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