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