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