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