There are three blocks, A, B and C. Block B is below A and block C is above B. Block A contains one medium blue triangle, one big blue circle and one big yellow circle. To the right of the big blue circle is the medium blue triangle. To the left of and above the big yellow circle is the big blue circle. The medium blue triangle is touching the right edge of this block. It is above the big yellow circle. Block B has one small yellow square. Block C contains one small yellow circle.
Which object is below a big yellow circle? the big blue circle or the small yellow square?
the big blue circle  the small yellow square  both of them none of them