There are three blocks, A, B and C. Block A contains one medium black triangle. Block B is above block A. It has one small black square. To the left of block B there is block C. It contains one big blue circle. Far from a big black circle there is the big blue circle. This block also has a medium black square. The big black circle is to the right of and below the medium black square.
What is below the medium black square? a medium black triangle or a big black circle?
medium black triangle  big black circle  both of them none of them