There are two blocks. We call them A and B. There are one big yellow circle and one small black circle in block A. This block also has one small blue triangle. The small blue triangle is to the left of the big yellow circle which is below and to the right of the small black circle. The big yellow circle is touching the bottom edge of this block. Below block A there is block B which has a small blue circle and one big yellow triangle. To the left of the big yellow triangle and the small blue circle is a small yellow triangle. The small blue circle is touching the top edge of this block. The big yellow triangle is touching the right edge of this block.
What is below the small blue triangle? a small yellow triangle or a big yellow triangle that is touching the right edge of a block?
small yellow triangle  big yellow triangle  that is touching the right edge of  a block  both of them none of them