We have three blocks, A, B and C. A big yellow circle is in block A. Block B is below block A. It has a small yellow circle. The small yellow circle is below a big yellow square. The big yellow square is touching the right edge of this block. Finally, we have block C which is above block A. It contains one medium blue square and one small yellow circle. The medium blue square is above the small yellow circle.
What is below the medium object? a small yellow circle or a big yellow circle?
small yellow circle  big yellow circle  both of them none of them