We have three blocks, A, B and C. Block B is below block A and above block C. Block A has one small black triangle. Block B has a medium black square and one small yellow circle. The medium black square is to the left of and below the small yellow circle. Block C contains one medium blue triangle and one small yellow triangle. To the right of the small yellow triangle is the medium blue triangle.
What is below the square? a small yellow circle or a small black triangle?
small yellow circle  small black triangle  both of them none of them