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