There are two blocks, A and B. Block A is to the right of B. Block A contains a small black triangle, a medium yellow triangle and one big black circle. The big black circle is touching the right edge of this block. Above, to the left of and near to the medium yellow triangle there is the small black triangle. Block B has a small black triangle and one big blue triangle. A small blue triangle is to the right of a big yellow circle and the big blue triangle. The big yellow circle is to the left of, near to and below the big blue triangle.. The small black triangle is below the big blue triangle.
What is to the left of the big black circle? a small black triangle or a big blue triangle?
small black triangle  big blue triangle  both of them none of them