Which type of food is not melted, the cheese or the cauliflower?
The cauliflower is not melted.
   src        edge_attr  dst
0    0  to the right of    4
1    0   to the left of    1
2    1  to the right of    4
3    1  to the right of    3
4    1  to the right of    0
5    3   to the left of    1
6    4   to the left of    1
7    4   to the left of    0