We have three blocks, A, B and C. Block C is below block A and to the left of block B. Block A has one big blue circle. Block B has a small black triangle and one medium black circle. Touching the medium black circle which is far from a big yellow square is the small black triangle. It is to the left of the big yellow square. And block C has a medium black circle.
What is to the left of the big square? a medium black circle or a small black triangle?
medium black circle  small black triangle  both of them none of them