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