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