Do you see any peppers that are not red?
No, there is a pepper but it is red.
   src        edge_attr  dst
0    0  to the right of    5
1    0  to the right of    1
2    1   to the left of    0
3    3  to the right of    9
4    5   to the left of    7
5    5   to the left of    0
6    7  to the right of    5
7    9   to the left of    3