There are three blocks, A, B and C. One medium blue circle and one big yellow circle are in block A. The medium blue circle is to the left of the big yellow circle. Then, we have block B which has a medium yellow circle. Block C is below both blocks B and A. It contains a big blue circle and one small yellow triangle. The big blue circle is touching the right edge of this block. It is below the small yellow triangle.
What is above the thing which is touching the right edge of a block? a big yellow circle or a medium yellow circle?
big yellow circle  medium yellow circle  both of them none of them