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