Are there carrots or peppers that are not green?
No, there are carrots but they are green.
   src        edge_attr  dst
0    1   to the left of    4
1    3  to the right of    5
2    3   to the left of    4
3    4  to the right of    1
4    4  to the right of    5
5    4  to the right of    3
6    5   to the left of    4
7    5   to the left of    3