There are two blocks, A and B. Block A is to the left of B. Block A contains a small black circle, a medium black square and a small black triangle. It also has a medium yellow triangle. The medium yellow triangle is to the right of the small black triangle and the medium black square. Below the medium black square there is the small black circle. Block B contains a big yellow triangle.
What is to the left of the big object? a small black triangle or a square?
small black triangle  square  both of them none of them