There are two blocks. We call them A and B. Block A contains a medium blue triangle and a big yellow circle. Near to the medium blue triangle and the big yellow circle there is a big black triangle. Below block A is block B with one small blue triangle and a medium black circle in it. Below the medium black circle is the small blue triangle.
Which object is below a medium black circle? the small blue triangle or the big yellow circle?
the small blue triangle  the big yellow circle  both of them none of them