We have three blocks, A, B and C. Block A has a medium black circle. This block also contains one small yellow triangle and a small black circle. The small yellow triangle is to the left of the medium black circle. To the left of the medium black circle there is the small black circle. The medium black circle is touching the right edge of this block. The small yellow triangle is above the small black circle. Then, we have block B. It has a big black square. The big black square is touching a small blue circle. Finally, above block A we have block C. It is below block B. It contains one small blue triangle and a medium blue square. To the right of the medium blue square is the small blue triangle.
What is below the small blue triangle? a big square or a medium black circle that is touching the right edge of a block?
big square  medium black circle  that is touching the right edge of  a block  both of them none of them