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