We have three blocks. We call them A, B and C. Blocks A and C are to the right of B. Block A contains one small blue circle. Block B contains a medium yellow circle. A small black square is also in this block. The small black square is to the left of the medium yellow circle and a big blue circle. Below the big blue circle there is the medium yellow circle. And block C contains a medium yellow square.
What is to the left of the medium yellow square? a big thing or a small blue circle?
big thing small blue circle  both of them none of them