There are three blocks. We call them A, B and C. Block A is below B. Block C is above A. Block A has one small yellow circle, one big yellow circle and one medium blue circle. The small yellow circle is to the left of the medium blue circle. The big yellow circle is to the left of the medium blue circle. The small yellow circle is below the big yellow circle. Block B has a big black circle and one medium black circle. The big black circle is above the medium black circle. Block C has a big yellow triangle. To the right of and above the big yellow triangle there is a medium blue circle.
Which object is below a medium blue circle? the medium black circle or the small yellow shape?
the medium black circle  the small yellow shape both of them none of them