There are three blocks. We call them A, B and C. Block A is above C and block C is below B. Block A has one medium black circle. Block B has a small blue square. Block C has a small black triangle, one medium blue triangle and one big yellow triangle. The small black triangle is above and to the left of the medium blue triangle. The medium blue triangle is touching the right edge of this block. The big yellow triangle is touching the right edge of this block. To the left of the big yellow triangle is the small black triangle.
What is below the square? a medium blue triangle that is touching the right edge of a block or a medium black circle?
medium blue triangle  that is touching the right edge of  a block  medium black circle  both of them none of them