There are two blocks, A and B. Block A is above B. Block A has a small yellow triangle, a medium blue triangle and a medium black square. It also has a small black circle. To the left of the medium black square is the medium blue triangle. It is touching and below the small black circle. The small yellow triangle is above the medium black square and the medium blue triangle. Block B contains a small blue square.
What is above the small blue square? a small yellow triangle or a medium black square?
small yellow triangle  medium black square  both of them none of them