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