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