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