There are two blocks. We call them A and B. Block A contains a small black triangle and one big blue triangle. Below the big blue triangle there is the small black triangle. Below block A there is block B. It has a big blue triangle. A medium black square is below a big yellow triangle. The big yellow triangle is near to and above the big blue triangle.
Which object is above a big blue triangle? the yellow thing or the small thing?
the yellow thing the small thing both of them none of them