There are two blocks, A and B. Block A contains a big black triangle and one medium black circle. Below the medium black circle is the big black triangle. To the left of block A there is block B which has a big blue triangle and a small blue square. It also has a medium blue circle. Below, to the left of and near to the medium blue circle there is the big blue triangle.
What is to the left of the big black triangle? a big blue triangle or a medium black circle?
big blue triangle  medium black circle  both of them none of them