There are three blocks, A, B and C. Block A contains a big black square. Then, we have block B. It has one small black triangle and one small blue triangle. To the right of the small blue triangle is the small black triangle. To the right of block B and below block A there is block C with one medium blue circle in it. A medium yellow square is below the medium blue circle.
What is to the left of the medium blue shape? a small blue triangle or a big black square?
small blue triangle  big black square  both of them none of them