We have three blocks. Lets call them A, B and C. Block A has a small yellow square. Below block A there is block B which contains a small black square. Below block B there is block C. It has one small black triangle. This block also contains a big yellow circle. Near to and above a medium blue triangle which is to the right of and below the big yellow circle is the small black triangle.
Which object is below a small black square? the big object or the small yellow square?
the big object the small yellow square  both of them none of them