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