There are three blocks. We call them A, B and C. Block B is to the right of C. Block C is to the left of A. Block A contains one big yellow triangle. Block B has a big blue square. And block C has a small black circle, a big yellow circle and one big blue triangle. Above the big yellow circle is the small black circle. This object is to the left of the big blue triangle. To the right of the big blue triangle there is the big yellow circle.
What is to the left of the big yellow triangle? a big blue square or a big blue triangle?
big blue square  big blue triangle  both of them none of them