There are three blocks. We call them A, B and C. A medium blue square is in block A. Above block A there is block B with a medium black circle in it. To the right of block A there is block C. It contains a small blue triangle and one big blue circle. The small blue triangle is near to and above a big blue square. It is below the big blue circle.
What is to the left of the big blue circle? a big blue square or a medium black circle?
big blue square  medium black circle  both of them none of them