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