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