We have three blocks, A, B and C. Block A is to the left of blocks C and B. Block A has a big yellow circle, one small blue square and a small blue triangle. Above the small blue square there is a medium yellow square. The big yellow circle is touching the bottom edge of this block. It is to the left of and below the small blue triangle. To the right of and below the small blue triangle there is the medium yellow square. Block B has a medium yellow triangle and a big blue triangle. It also contains a medium blue circle. A small yellow circle is also in this block. The small yellow circle is below the big blue triangle which is to the right of and below the medium blue circle. The medium yellow triangle is touching the bottom edge of this block. It is to the right of and far from the medium blue circle. And block C contains a medium yellow square and a medium black triangle. The medium yellow square is near to and below the medium black triangle.
What is to the left of the big blue triangle? a small yellow circle or a small blue triangle?
small yellow circle  small blue triangle  both of them none of them