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