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