There are three blocks, A, B and C. Block A contains a medium blue triangle. Above block A is block B with a medium yellow circle in it. Above block A there is block C which contains one big blue circle, a small yellow triangle and one medium yellow circle. The big blue circle is to the left of, near to and below the medium yellow circle. The small yellow triangle is below the medium yellow circle.
Which object is below a medium yellow circle? the big circle or the small thing?
the big circle  the small thing both of them none of them