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