There are three blocks, A, B and C. Block A has one medium blue circle. To the left of block A there is block B. It has a medium yellow square. To the left of and above the medium yellow square there is a big black square. Below block A there is block C with a small yellow circle in it. The small yellow circle is above a small yellow square.
What is to the left of the medium circle? a medium yellow square or a small yellow circle?
medium yellow square  small yellow circle  both of them none of them