There are three blocks, A, B and C. Block A is below B and block C is below A. Block A has one big blue square. Block B contains one big blue square and a big blue circle. A medium blue triangle is below and to the left of the big blue square which is to the right of the big blue circle. And block C has a small yellow circle and a small yellow triangle. The small yellow circle is near to the small yellow triangle.
Which object is below a big blue square? the big blue circle or the small yellow circle?
the big blue circle  the small yellow circle  both of them none of them