There are three blocks. Lets call them A, B and C. Block B is above C and block C is above A. Block A has one small blue circle, one medium black triangle and one big blue square. This block also contains one medium yellow square. It also contains one medium yellow triangle. Below the big blue square is the small blue circle. The medium black triangle is touching the right edge of this block. The big blue square is below and to the left of the medium yellow square. To the left of the medium black triangle which is far from and below the big blue square there is the small blue circle. Block B has one medium yellow triangle. This block also has a small black circle. The medium yellow triangle is touching the bottom edge of this block. It is near to and to the right of the small black circle. And block C has a small yellow triangle.
What is below the small yellow triangle? a medium yellow square or a triangle that is touching the bottom edge of a block?
medium yellow square  triangle  that is touching the bottom edge of a block  both of them none of them