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