We have two blocks. Lets call them A and B. Block A is to the left of B. Block A has one medium black triangle, a big black triangle and a small blue triangle. The medium black triangle is below a big blue triangle and the big black triangle. The big black triangle is near to, to the left of and below the big blue triangle. Block B contains one medium blue circle.
What is to the left of the medium blue thing? a big blue triangle or a medium black triangle?
big blue triangle  medium black triangle  both of them none of them