We have three blocks, A, B and C. Block A is to the right of blocks B and C. 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 has two medium black squares. Below medium black square number two there is medium black square number one.
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